) a 45 kg box is pulled horizontally across the floor will a force directed horizontally to the left with a magnitude of 200.0n. (a) what is the acceleration of the box if the coefficient of kinetic friction is 0.10? (b) if the box starts from rest, how fast will it be moving at 3.0 s assuming the constant force is applied for the entire 3.0s?

The highest rate of speed a person can reach is called maximum speed.When athletes alter the magnitude or direction of their motion, or both.

The maximum speed the stone can attain is 8.366 m/s

Data;

   Mass = 10kg

   radius of tangential path = 7m

   Tension = 100N

Centripetal Force

The centripetal force of the stone can be calculated as

Fe =mv/r

v² = Tr/m

v=√Tr/m

v=√100*7/10

v=8.366 m/s

The tension acting on the string is given as

The maximum speed the stone can attain is 8.366m/s

To learn more about maximum speed refer

https://brainly.com/question/14840181

#SPJ4

The maximum height travelled by the ball before returning to the ground is 8.62 m.

The maximum height travelled by the ball before returning to the ground is calculated by applying the following kinematic equation as shown below.

H = (u²sin²θ) / 2g

where;

H = (26² (sin 30)²) / (2 x 9.8)

H = 8.62 m

Thus, the maximum height travelled by a projectile depends on the initial velocity and angle of projection.

Learn more about maximum height here: brainly.com/question/12446886

#SPJ1

a point on the circumference travel if the wheel is rotated through angles of 30 rad is 7.8m

4.9 x [tex]10^{7}[/tex] revolutions  if the car travels 80000 km.

The Radius of the tyre = 0.26 m.

Perimeter = 2[tex]\pi r[/tex] =0.52[tex]\pi[/tex]m

When the circle is rotated through an 30rad angle, a point of its circumference travels a distance equal to an 30rad arc of this circle.

a full revolution is 2π rad, then an 30rad angle represents

30/2[tex]\pi[/tex] =15/[tex]\pi[/tex]

15/[tex]\pi[/tex] * .52 [tex]\pi[/tex] = 7.8 m

d =  7.8 m.

the car travels 80000 km

revolutions do the tires = 80000 * [tex]10^{3}[/tex]/ 0.52[tex]\pi[/tex]

=4.9 x [tex]10^{7}[/tex] revolutions.

To learn more about  radian refer,

https://brainly.com/question/19758686

#SPJ4

If no external force on the Centre of mass remains stationary. In order to do that displacement in lighter body must be more than that of heavier ball.

The sum of the starting momentums of the two bodies when they collide is equal to the sum of their final momentums, according to the law of conservation of momentum.

The experimental system supports the law of conservation of linear momentum when a collision occurs between a heavier ball and a lighter ball in the absence of any other external forces.

The centre of mass does not move due to any external forces. A lighter body must have a greater displacement than a heavier ball in order for that to happen. Changes in an object's position are referred to as displacement. A vector quantity, it has both a direction and a magnitude. An arrow that directs viewers from the starting location to the ending position is used to symbolize it. As an illustration, the position of an object changes if it moves from position A to position B. Displacement is the name for this shift in an object's position.

Learn more about Displacement here:

https://brainly.com/question/11934397

#SPJ4

The time it will take an automobile traveling at 62.5 km/h to become even with a car that is traveling in another lane at 41.0 km/h if the cars' front bumpers are initially a distance of 114 m apart is 19.1 seconds.

The time that it will take for the two cars traveling to at the same distance can be calculated below as follows:

Let the time it will take the second automobile be T.

the distance traveled by first car = d

distance traveled by second car = d + 114 m

Time taken by first car = d / 41.0

Time taken by second car = d + 114 / 62.5

The two times are equal, hence;

d / 41.0 = d + 114 / 62.5

41d + 4674 = 62.5d

21.5d = 4674

d = 217.4 m or 0.2174 km

distance traveled by second car = 0.2174 + 0.114

distance traveled by second car = 0.3314

Time taken by second car = 0.3314 / 62.5

time taken by second car = 0.0053 hours or 19.1 seconds

Learn more about time and distance at: https://brainly.com/question/26046491

#SPJ1

The distance between the two masses of 10764 kg and 12008 kg, with a force of attraction of 0.00006 N cating on them is  36.99 m.

Distance can be defined as the length between two points.

To calculate the distance between the masses, we use the formula below.

Formula:

Where:

From the question,

Given:

Substitute these values intoe quation 1

Hence, the distance between the masses is 36.99 m.

Learn more about distance here: https://brainly.com/question/26550516

#SPJ1

The Speed of the car is 4m/s.

What is the speed?

The speed of an object can be defined as the total distance traveled by it in a particular interval of time. This can be determined by dividing the total distance moved by the object by the time taken to move.

It is the ratio of distance in m and time taken by the object to travel in seconds.

Hence: Distance D=28m

Time       T=7s

Speed S=D/T                            

S=28m/7S                          

S=4m/S

Therefore car's  speed is 4m/S

Learn more on speed from

brainly.com/question/28626511

#SPJ1

The speed of the car is 4m/s

Speed is the rate of change of distance with time.

It is a scalar quantity and it's S.I unit is given as m/s. Distance is the space or gap between two point. Speed can generally be defined as the distance travelled per a given time

From the definition, speed = distance/time

distance is 28m and time is 4s, therefore

Speed = 28/4= 7m/s.

Therefore the speed of the car is 7m/s

learn more about speed from

https://brainly.com/question/13943409

#SPJ1

Answer:B

Explanation:explanation

The mass of the block is 0.655 kg

Calculation

The mechanical energy of block system,

[tex]E=\frac{1}{2} mv_{max} ^{2}[/tex]

The mass of the block is

[tex]m=\frac{2E}{v^{2} _{max} }[/tex]

[tex]\frac{2(7.50)}{4.70^{2} } =0.6550 kg[/tex]

Hence, the mass of the block is 0.655 kg

To learn more about mechanical energy, refer to

https://brainly.com/question/24443465

#SPJ4

The mass of the block is 0.655 kg

The mechanical energy of block system,

[tex]$E=\frac{1}{2} m v_{\max }^2$[/tex]

The mass of the block is

[tex]$m=\frac{2 E}{v_{\max }^2}$[/tex]

[tex]$\frac{2(7.50)}{4.70^2}=0.6550 \mathrm{~kg}$[/tex]

Hence, the mass of the block is 0.655 kg

To learn more about mechanical energy, refer to

brainly.com/question/24443465

#SPJ4

125.06⁰angle is the axis of the polarizer oriented, with respect to the vertical

given,

Only 67.0% of the intensity of the light passes through the sheet and strikes a second sheet of polarizing material. No light passes through the second sheet.

for the first sheet we have malus law as

         I =I₀cos²θ₁

    here(given)

    I/I₀ = 0.67

   so cos²θ₁ =0.67

        θ₁ = cos⁻¹√(0.67)

               = 35.06⁰

which is the angle the first sheet makes with transmission axis

here  given no light passes through the second sheet i.e. both the sheets are in crossed position

so the angle the transmission axis of the second sheet makes with the vertical is

   θ₂ = θ₁ +90⁰

        =35.06 + 90⁰

         =125.06⁰

Learn more about transmission axis  here:

https://brainly.com/question/24086263

#SPJ4

Answer: We are unable to see the word bank please update it with a more clear bank word image.

However, some people in many regions of England claim that King Arthur is still alive and has only been transferred by the will of our Lord Jesus to another location. They also assert that he will return and claim the holy cross.

What a name is King Arthur

He was a warrior, a knight, and a king who defeated giants, witches, and other creatures while leading a group of brave adventurers on numerous perilous journeys. He is renowned for bringing the peoples of his realm together and for his Knights of the Round Table. Even though he met a horrible end, he is still revered and honored today in every country. Although some historians suggest that King Arthur was a real warrior who led British armies against Saxon invaders in the sixth century, historians cannot corroborate his existence. Up until his son Mordred reveals the relationship between his queen and best friend, Arthur continues to be a decent and honourable king. Throughout all of these tales, Guinevere is either kidnapped by a villainous lord and must be freed, or other ladies are in need of a brave knight's help

To learn more about King Arthur refer to

https://brainly.com/question/9242204

#SPJ4

The total drag on the airplane is 97.28

define velocity?

Velocity is the rate of change in position of an object in motion as measured by a certain time standard (e.g., 60 km/h northbound). Velocity is a key notion in kinematics, the branch of classical mechanics that studies body motion.

weight of plane=5500lb

velocity=220m/h

=200x88/60

=292

wing area= 200 ft^2

aspect ratio=8.5

oswald efficiency (E)=0.93

density of air = 1.225Kg/m^3

=0.002377

Drag= 0.5xpxvxAxcd

lift coefficient=0.245

drag coefficient= 0.0024

cd=0.0024+0.0024=0.0048

drag= 0.5x0.002377x(292x292)x200x0.0048

=0.0011885x(85264)x200x0.0048

=97.28 lb

therefore the  total drag on the airplane was 97.28 lb

To learn more about velocity follow the given link: https://brainly.com/question/28671360

#SPJ4

The impulse of given nail is -90 kg-m/s .

The average force acting on nail is 11250 N .

Considering that,

The hammer weighs 12 kg.

The hammer's initial speed when that strikes a nail is u = 7.5 m/s.

At last, it comes to rest when v = 0.

The time is t = 8ms = 0.008 s.

Let J be the impulse applied to the nail in (a). An item receives an impulse equal to a change within the momentum. It comes from:

J = m(v - u)

v = 0

J = -12kg x 7.5 m/s

J = -90 kg-m/s

The impulse is causing motion to move in the opposite direction.

The following provides another definition of impulse:

J = F X t

The average force pushing against the nail is F.

F = J / t

F = 90 kg-m/s / 0.008 s

F = 11250 N .

To learn more about force refer to :

https://brainly.com/question/12970081

#SPJ4

The output force that only lifts the load is 484 N

Calculation

For this case, the relationship between the two forces is given by

[tex]F_{1} =nF_{2}[/tex]

Where,

F1: output strength

F2: input force

n: mechanical advantage

Then, replacing the values ​​we have:

[tex]F_{1} = 2.2*220[/tex] = 484 N

Hence, the output force that only lifts the load is 484 N

To learn more about force, refer to

https://brainly.com/question/388851

#SPJ4

If a resistor, an inductor and a capacitor are connected in series, the phase angle between the voltages of the inductor and capacitor in a RLC series circuit is 180 degrees.

A resistor , capacitor and inductor are key components of a RLC circuit. Resistor doesn't store energy but capacitor and inductor stores energy and that is the reason resistor is called a passive element and inductor and capacitors are called active element.

Inductor leads the current by a phase angle of 90 degrees and the voltage across the capacitor lags the current by 90 degrees, so the phase difference between the voltages of the inductor and the capacitor is 180 degrees in an RLC circuit.

To learn more about RLC circuit , visit here

brainly.com/question/24477599

#SPJ4

On the basic of Ohm's law , we can see that when resistance increase on replacing then current passing through resistance decreses.

In the given question we have,

resistor r is connected of a battery with potential difference v and a direct current i , passing through the resistor.

According to Ohm's law , the current passing through the condutor is directly proportional to the voltage applied to it and inversely proportional to resistance.

V = IR

where, I ---> current passing through resistor

R----> resistance

V ----> Voltage

or I = V/R ---(1)

Now, it is given that when resistor is replaced by other one and resistance become 3r. From (1) we see as resistance increases the current passing through resistor decreses.

So, as resistance increase by 3r then current passing through resistance decreses by 1/3r.

To learn more about Ohm's law, refer:

https://brainly.com/question/14296509

#SPJ4

Answer:

The SI unit for the electric for is

A) Coulomb

A person who jumps a horizontal distance of 3.43 m on the earth will be able to jump a horizontal distance of 16.5 m on the moon.

Using the equation of projectile motion, the maximum distance formula is:

R = u² . sin(2α) / g

Where:

u = initial velocity

g = acceleration due to gravity

α = elevation angle

Assuming that the initial velocities, both on the moon and on the earth are the same both in magnitude and direction, hence the maximum distance is inversely proportional to the acceleration due to gravity.

Therefore,

Rm : Re = ge : gm    (m and e refers to moon and earth)

Rm : 3.43 = g : 0.208g

Rm =  3.43 / 0.208 = 16.5 meters

Learn more about gravity at:

https://brainly.com/question/72250

#SPJ4

The correct answer is 59 kg

Given-

Mass of bicycle = 10 kg

                      F = 138 N

                      a = 2 m/s²

The mass of any body can be calculated by the force and acceleration of that body. We can use the formula as-

Calculation:

                    F = ma    

                   m = F/a

                       = 138/2

                       = 69 kg

                   m = mass of bicycle + Naoki's mass. Then

                  69 = 10 + Naoki's mass

                  Naoki's mass = 69 - 10 = 59

Naoki's mass = 59 kg

Therefore, the mass of Naoki that sits on the bicycle and is pedalling is 59 kg.

To learn more about mass, refer: https://brainly.com/question/15959704

#SPJ4

The average velocity in terms of acceleration and time is 1/2at².

Average velocity:

Velocity is the directional speed of an object in motion as an indication of its rate of change in position as observed from a particular frame of reference and as measured by a particular standard of time.

Assume the acceleration a is uniform then:

v(t) = u + at

u = initial velocity

By average velocity v we mean average over time than strictly speaking:

v = 1/t [tex]\int\limits^t_0 {v(t)} \, dt[/tex]

  = 1/t [tex]\int\limits^t_0 {(u + at)} \, dt[/tex]

  = 1/t ( ut + 1/2 at²)

 v = u + 1/2at²

If u =0, then we have

v = 1/2 at²

Therefore the average velocity is 1/2at².

To know more about the velocity refer to the link given below:

https://brainly.com/question/80295?source=archive

#SPJ4

When the energy in a system is transformed, the total amount of energy in the system is always conserved.

The changing of one form of energy into another, or the movement of energy from one place to another. An energy transformation is a change of power from one form to another. Fire (Chemical energy Heat and Light) Electric lamp (Electrical energy Heat and Light), Microphone (Sound Electrical energy), Wave power (Mechanical energy Electrical energy). Energy transformation is also known as energy regeneration which is a process of changing energy from one form to another. Energy transformations are procedures that convert energy from one type, for example, kinetic, gravitational potential, and chemical energy.

So we can conclude that an energy transformation is the change of energy from one form to another.

Learn more about energy here: https://brainly.com/question/13881533

#SPJ1

If a student wants to collect data during an experiment about the transfer of kinetic energy in a sample of water and ice, then the tool that will help her collect the necessary data is a thermometer.

A thermometer is a device used in different applications in order to measure the temperature in the surrounding environment and or open systems such as organisms (including humans).

Therefore, with this data, we can see that a thermometer can be used to determine the temperature of an organism and also of the surrounding media.

Learn more about thermometers here:

https://brainly.com/question/2339046

#SPJ1

Answer:

your answer will be thermometer

Explanation:

if you go to connexus and are doing the science

Thermal Energy Unit Test 10 qestions 8th grd unit 5 test lesson 12 here are the correct answers

1. A. metal is heated from room temperature to 200'C.

2. B. The particles will have more space between them as steam, but they will be moving at the same speed in both states.

3. C. The potential energy decreases due to the tighter arrangement of the particles.

4. B. an increase in heat and an increase in kinetic energy until a phase change occurs.

5. C. thermometer

6. B. 4.

7. D. convection

8. C. Air moves from the areas of higher temperature to areas of lower temperature.

9. C. The temperature of the ice increases, while the temperature of the water decreases

10. A. heat transfer by radiation.

i hope this helps and please let me know if it does! = ) <3

If the car's speed is 50 mph the tires will rotate 11.68 times per second.

To calculate the rotation of the tire if

First, we have to calculate the radius of the wheel.

[tex]R =\frac{d_2 + d_1 + d_2}{2}[/tex]

[tex]R = \frac{4.75 + 14.5 + 4.75}{2}[/tex]

[tex]R = \frac{24}{2}[/tex]

R = 12 inches

Convert the linear velocity.

v = 50 mph

[tex]v = 50 \times \frac{1 \: miles}{1 \: hour}[/tex]

[tex]v = 50 \times \frac{63,360 \: inches}{3,600 \: s}[/tex]

v = 880 inches/s

Formula between angular velocity and linear velocity v = ω R

Calculate the angular velocity.

[tex]\omega = \frac{v}{R}[/tex]

[tex]\omega = \frac{880}{12}[/tex]

ω = 73.33 radians/s

Angular velocity has a conection with the frequency (how many rotations in second)
ω = 2πf

[tex]f = \frac{\omega}{2 \pi}[/tex]

[tex]f = \frac{73.33}{2 \times 3.14}[/tex]

[tex]f = \frac{73.33}{6.28}[/tex]

f = 11.68 rotations/second

Learn more about Linear velocity and angular velocity here: https://brainly.com/question/15154527

#SPJ4

3848 J work has to be done to stop the bull.

The kinetic energy of an item is the energy that it possesses due to its movement. it's miles defined because the work had to accelerate a body of a given mass from relaxation to its said velocity. Having won this power in the course of its acceleration, the frame continues this kinetic energy unless its velocity adjustments.

Kinetic energy is the electricity an item has due to its movement. If we need to boost up an item, then we have to apply pressure. applying a force requires us to do paintings. After paintings have been achieved, strength has been transferred to the item, and the item may be transferred with a new consistent speed.

Calculation:-

work done = change in kinetic energy

                   = final kinetic energy - initial kinetic energy

                   = 1/2mVf²  - 1/2mVi²

                    = 0 - (3,848 )

                     = 3848 J

Learn more about kinetic energy here:-https://brainly.com/question/25959744

#SPJ1

A 9 kg hanging mass is connected by a massless cord over a frictionless pulley to a 5 kg block that is sliding on a flat table. if the coefficient of kinetic friction between the block and the table is 0.2, the tension in the string will be   37.8N

from Newton’s second law we get :

Tension force – f k = mass * acceleration         equation 1

Tension force –f k = 5.00 * a

Similarly, for the 9.00−kg mass,

 mg - Tension force  = mass * acceleration

 9.00 * g–Tension force = 9.00 * a

Adding these two equations gives:

      9.00 *9.80 − 0.2 * 5  * 9.8 =   14 a

a=5.6 [tex]m/s^{2}[/tex]

substituting this into  equation 1

Tension = 5.00* 5.60 + 0.200 * 5.00 * 9.8 = 37.8N

The tension in the string will be  37.8N

To learn more about coefficient of kinetic friction here :

https://brainly.com/question/19180015

#SPJ4

The initial speed of the particle is 15.83 km/s.

Consider a system having initial potential energy. With time as the system proceed, the potential energy gets converted to kinetic energy. The kinetic and potential energy changes individually, but the total energy is constant at every instant. This is known as the conservation of energy.

Escape velocity , v = 11.200 km/s

The radius of the earth, R = 6400 km

Let the mass of the particle be m.

Let the mass of Earth be by M.

Let the velocity of the particle be v.

By conservation of energy we have,

(1 ÷ 2)mv² - ((GMm) ÷ R) = (1 ÷ 2)m[tex]v_{e}^{2}[/tex]

where G is the gravitational constant.

The gravitational constant and the acceleration due to gravity is related:

g = GM ÷ R²

Thus equation (1 ÷ 2)mv² - ((GMm) ÷ R) = (1 ÷ 2)m[tex]v_{e}^{2}[/tex] becomes,

(1 ÷ 2)v² - gR = (1 ÷ 2)[tex]v_{e}^{2}[/tex]

v² - 2gR = [tex]v_{e}^{2}[/tex]

v² − 2 × 9.8 × [tex]10^{-3}[/tex] km/s² × 6400 km = (11.200km/s)²

v = 15.83km/s

Learn more about the conservation of energy at

https://brainly.com/question/14142307?referrer=searchResults

#SPJ4

The question is -

What initial speed would a particle need to be given at the surface of Earth if it is to have a final speed that is equal to its escape speed when it is very far from Earth? Neglect any effects due to air resistance?

Attraction between people is Gravitation while people and earth is Gravity.

Every body in the universe attracts every other body with a force called force of gravitation. The attraction between sun and earth , attraction between table and chair lying in a room ..etc. are examples of gravitation. Gravitation is the weakest of four basic forces in nature. However , its most important force as it has its contribution in initiating the birth of stars and controlling the structure and evolution of entire universe.

Gravity is the special case of gravitation. If one of the attraction body is earth then gravitation is gravity.

To understand more in detail about gravitation and Gravity -

https://brainly.com/question/12367357?referrer=searchResults

#SPJ1

The speed of the cars just after the collision is 0.875 m/s.the formula to be used  m1u1 + m2u2 = m1v1 + m2v2.V=14000*1.5÷14000+1000=0.875m/s

Teenagers, young adults, and the others take the stimulant drug "speed" to feel more focused and alert, as well as, in some circumstances, to get high. Several types of speed are also used by some people to suppress their appetite.

Simply because they are not paying attention on their driving pace, drivers frequently go above the speed limit. Traffic flow, operating a powerful car, and listening to music were all mentioned as contributing factors. Some drivers claimed that passengers' distraction caused them to accelerate.

To know more about speed visit:

https://brainly.com/question/28224010

#SPJ4

1. There are three forces.

2. Yes, the forces on the beam are balanced.

3. The magnitude of the net force on them is zero.

4. The tension in Cable 1 is 8,596.49 N

5. The tension in Cable 2 is 8,596.49 N

The forces acting on the beam are two tension forces due to the cable and one gravitational pull due to its weight. Thus, there are three forces acting on the beam.

The force on the beam is perfectly balanced as the cable is uniformly attached to it. The beam is moving with constant velocity, thus the acceleration is zero, and hence, the net force acting on it is also zero.

The tension, T, in both cables is equal as they are inclined at the same angle.

Now, we resolve them into rectangular components and write

Tsin35 +Tsin35 = mg = 1000*9.8 = 9800

2Tsin35 = 9800

Tsin35 = 4900

T*0.57 = 4900

T = 8,596.49 N

To read more about forces, visit https://brainly.com/question/13191643

#SPJ1