If a runner exerts 350 J of work to make 125 W of power, then how long did it take the runner to do the work?

Q: A ship moves 330 m after 40,000 j of work is done on it. What force is used to do this work?

A: Given: The distance moved by the ship is 330 m.            The work done is 40,000 J.  To determine:…

Q: A car uses a power of 100 W within 25 seconds to operate. What is the work done?

A: Write the given values with suitable variables. P=100 Wt=25 s Here, P denotes the power and t…

Q: How much work is required to lift a 9.5-kg backpack 1.4 m to put it on?

A: Dear student The work is defined as : W = Force × Displacement in the direction of force

Q: A man with 80.0 kg mass climbs a stairs with a height of 7.0 m within 15.0 seconds. What is his…

A: P=Et=mght

Q: 50 W of power is required to to lift a barbell in 5 sec, How much work is done?

A: Power delivered on the system is equal to rate of work done on the system.

Q: if you do 20 J of work lifting a rock weighing 30 N, how far will you lift it?

A: Write the given values with the suitable variables. W=20 JP=30 N Here, W is the required work and P…

Q: A force of 60 N used to push a chair across a room does 300 J of work. How far does the chair move…

A: Applied force (F) = 60 N Work done (W) = 300 Joules

Q: How much time is required for a car engine to do 278 kJ of work, if its maximum power is 95 kW?

A:

Q: If a crane does 350J of work on a beam in 6 seconds, what is the crane's power?

A: Given The Work done by the crane is W = 350 J. The time up to which work is done is t = 6 s. The…

Q: If 5 J of work are needed to stretch a spring 10cm beyond equilibrium, how much work is required to…

A: Given Data Work required to stretch the string is W1=5 J The spring is stretched by a length x1=10…

Q: How long Does it take a worker producing 200W of power to do 10,000 J of work?

A: Given data The power required by the worker is given as P = 200 W. The work required to do is given…

Q: How much power is needed to accelerate a 10 kg block from rest to 4 m/s in 2 s?

A: Given data:  Mass (m) = 10 kg Initial velocity (u) = 0 m/s Final velocity (v) = 4 m/s Time (t) = 2 s…

Q: How much work does the force of gravity do when a 25 newton object falls a distance of 3.5 meters?

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Q: How much work would have to be done to bring a 1030-kg automobile traveling at 86 km/h to a stop?

A:

Q: If a runner exerts 350 J of work to make 150 W of power, then how long did it take the runner to do…

A:

Q: What power is needed to move a 13.4 kN car up an 8 degree incline with a constant speed of 80 kph…

A: Given data:     Mass, m = 13.4 KN     Angle, θ=8 deg     Speed, v = 80 kph = 80/3.6 = 22.22 m/s…

Q: What work is done by a forklift raising a 487 kilogram box 2.1 meters?

A: Given  Mass m=487 kg Height h=2.1m

Q: How much work would have to be done to bring a 980-kg automobile traveling at 87 km/h to a stop?

A: Mass of the automobile = 980 kg Speed of the automobile = 87 km/h…

Q: How much work is needed for a 75-kg runner to accelerate from 3.2 m/s to 5.2 m/s?

A: Given:             Mass of runner M=75kg           Accelerates from 3.2 m/s

Q: If you push a cart with a force of 60 N resulting in 120 J of work, how far did you move the cart?

A:

Q: A weightlifter lifts a 240 kg weight a vertical distance of 0.3 m in 0.9 s. What is the power…

A: Given,        mass of the object (m)= 240 kg        vertical distance (h)= 0.3 m        time (t) =…

Q: How much net work must be done to accelerate a 1000 kg 20 m / s to 30 m / s?

A: According to the work energy theorem, the work done must be equal to the change in kinetic energy.…

Q: When a car of mass 1175 kg accelerates from 14.2 m/s to some final speed, 320 kJ of work are done.…

A: Mass of a car (m) = 1175 kg Initial speed (vi) = 14.2 m/s Work done (W) = 320 kJ = 320 x 103 J

Q: How much power is needed to lift a 750 kg elephant 14.3 m in 30.0 seconds?

A: Given data:  Mass (m) = 750 kg Height (h) = 14.3 m Time (t) = 30.0 s Required: Power (P)

Q: A force of 403.0 N is exerted on a 1,250 N car while moving it a distance of 2.69 m. How much work…

A: Given: The force exerted on the car is 403.0 N. The weight of the car is 1250 N. The displacement of…

Q: how much work is required to lift a 5.9-kg backpack 1.2 m to put it on?

A: Given The mass of the backpack is m = 5.9 kg. The distance upto which the backpack is lifted is r =…

Q: If Marga exerts 350 J of work to make 125 W of power, how long did it take her to do the work in…

A:

Q: work is done on the cart

A:

Q: How much work is required to lift a 4.6-kg backpack 1.1 m to put it on?

A:

Q: If it takes 10.0 J of work to move an object 2.0 meters, what is the weight of the object?

A: The work done to move an object to a distance d is given as,…

Q: A body does 26 J of work in 3 seconds. Find the power?

A: Introduction :   In this question we are provided with value of time taken and work done . with…

Q: If 3.0 J of work is done in raising a 225 g apple, how far is it lifted?

A: Given W =3.0J mass = 225g so, F = 0.225 kg x 9.8 m/s2 = 2.205N

Q: How much work is done moving a 2.4 kg book to a shelf 4.0 m high?

A:

Q: How much work must be done to stop a 925-kg car traveling at 110 km/h?

A: According to the work energy theorem, the work done on an object to change its state is equal to the…

Q: The done work for man has power * (5.2 Watt) during (1 hours) is

A: Given: Power P=5.2 Watt Time  t=1 hours=1×60×60=3600 s

Q: If a force of 80lb stretches a 12ft to one foot. Find the work done in stretching it. a.) from 12ft…

A:

Q: What power is needed to move a 4 kN car up an 8-degree incline with a constant speed of 80 kph…

A: Given data: Mass of the car m = 4kN=4000n Angle θ=8° Speed v= 80kph=80×518=22.22 m/s Frictional…

Q: How much work (in J) is done when a force of 888.0 N is exerted while pushing a crate across a level…

A: Given that, Force = 888.0 N Distance = 1.32 m

Q: How much work is done in raising a 42.3 kg crate a distance of 1.5 m above a storeroom floor?

A:

Q: A truck travelling at a speed of 50 km/h has a kinetic energy of 600 kJ. If the speed of the truck…

A:

Q: How much work (in J) is done to accelerate a car which has a mass of 1500 kg from a speed of 13 m/s…

A: Mass ( m ) = 1500 kg Initial Velocity ( u ) = 13 m/s Final Velocity ( v ) = 30 m/s

Q: How much power was expended by a car if it exerts a force of 1500.0 N and moves at 20.0 m/s?

A:

Q: A bird is lifted up 165 m by its wings and does 260 J of work. How much FORCE was applied? *

A: Work done by bird W = 260 J displacement d = 165 m  We need to determine force applied.

Q: How long does it take a worker producing 200 w of power to do 10000 j of work?

A: Given information:Power (P) = 500 w.Work need to be produced (W) = 10000 J.We know that power is…

Q: A marathon runner of mass 75 kg runs up the stairs to the top of a tower of height 125 m in 8…

A: The expression for find work done in the process is W=Fd=mgd Substitute values in the above equation…

Q: A shopper does 50 J of work to move a cart by 10 m. What was the force required to do this?

A: Required : Force required