16. An engine rated at 5.0 x 104 watts exerts a constant force of 2.5 x 103 newtons on a vehicle. Determine the average speed of the vehicle. 17. The diagram below shows a 1.0 x 103-newton crate to be lifted at constant speed from the ground to a loading dock 1.5 meters high in 5.0 seconds. 1.5 m This end up 1.0 x 103 N Loading dock What power is required to lift the crate? (1) 1.5 x 103 w (2) 2.0 x 102 w (3) 3.0 x 102 w (4) 7.5 x 103w Forms of Energ As already noted, energy for both quantities, which another system, the secon 84 Topic 3

Q: 6. A child does 350 J of work to lift a box from the ground up to his tree house at a steady speed.…

A:

Q: A 95 kg man runs up a 20 m high stairs at a constant speed. If it takes him 8 seconds to reach the…

A: The rate  of doing work is called power.

Q: Biological muscle cells can be thought of as nanomotors that use the chemical energy of ATP to…

A:

Q: 3. A car must do work at a rate of 10 kW to maintain a constant speed of 25 m/s on flat ground. How…

A: Rate at which the car must do work (P) = 10 kW P = 10000 W constant speed (v) = 25 ms

Q: 2. A 10-kg mass is dragged on a horizontal frictionless surface by a force F(x) = 2x + 1 (N) that…

A:

Q: 1. a) Calculate the work done when a truck pulls on a load at a 35° angle with a force of 4000 N and…

A:

Q: A 1400-N crate rests on the floor. a.) How much work is required to move it at constant speed 5.0 m…

A: Given Weight of the crate is Fg=1400 N Displacement of the crate is d=5.0 m Frictional force is…

Q: A 95 kg man runs up a 20 m high stairs at a constant speed. If it takes him 8 seconds to reach the…

A:

Q: 4. A body moves a distance of 10 m under the action of a force that has a constant value of 5.5 N…

A:

Q: 1. You must exert a force of 4.5 N on a book to slide it across a table. If you do 2.7 J of work in…

A: Soln-  i)  Given Force = 4.5N And work(w) = 2.7J We know that W= f * d           -i) Where w ->…

Q: In the figure particle 1 (of charge +9.48 mC), particle 2 (of charge +9.48 mC), and particle 3 (of…

A: Solution:-

Q: 17. A body acted upon by a force of 25 N acquires acceleration of 2.5 ms and covers a distance 10 m.…

A: Kinetic energy = (1/2)mv2

Q: Q3. Find the amount of work done in lifting a body of 5 kg through 10 m. Take g = 10 m/s?. O 5J O 15…

A:

Q: You have a 2000 kg car that can produce 400 horsepower (300,000 Watts). You use it at this power to…

A: Power is defined as the rate of work done        P=dW/dt     Lets suppose that the time taken for…

Q: A grocery cart with a mass of 10 kg is being pushed at constant speed up a 25° ramp by a force Fp…

A:

Q: 16. An engine rated at 5.0 × 104 watts exerts a constant force of 2.5 x 103 newtons on a vehicle.…

A: As per Bartleby guidelines I am answering only the first question(question 16).

Q: 12. Consider the following situation: A car is moving with a high speed at the bottom of a hill…

A: Assuming that at bottom of hill potential energy is zero. Initially when car age at bottom of hill…

Q: 3. A 10-N force is applied to push a block across a frictional surface at constant speed for a…

A: Work done is defined as W = Ftotal × d Ftotal =  Total force acting d = displacement

Q: An elevator is designed so that when it travels upward, it has constant acceleration from rest to…

A:

Q: angle of 35°, and they move the box a distance of 11 m. How much work did they do? e COTTILIIT F cos…

A: Applied force (F) = 95 N Displacement (d) = 11 m Angle (θ) = 35°

Q: Answer both or NONE   Question1 -  For exercise, an athlete lifts a barbell that weighs 400 N…

A:

Q: Sienna is getting her books . To lift her books from a table , 50 J of work is done . How much power…

A: Given Work done w =50 J Time t = 0.5 s

Q: 24. A horse pulls a cart with a force of 0.2 kN at an angle of 27 degrees with the horizontal and…

A: We are allowed to give the explanation of first question only which is given below. Please repost…

Q: 2. Use work-energy theorem to solve this problem. A sled (m = 17.2 kg) starts from rest and slides…

A:

Q: 2. distance of 2000 meters. It takes the tractor 5 minutes to pull the hay wagon. the work nerformed…

A: GivenA tractor pulls a hay wagon with a force, F=500 NDistance travelled, d=2000 mTime taken, t=5…

Q: 10. A small motor is used to operate a lift that raises a load of bricks weighing 1200 N to a height…

A: 10. Given : F = 1200 N h = 15 m t = 30 s

Q: 3. Suppose you lift a 20 kg box by a height of 1.0 m. a) How much work do you do in lifting the box?…

A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts…