4. A body moves a distance of 10 m under the action of a force that has a constant value of 5.5 N for the first 6 m. How much work is done in the first 6 m of the motion?

Q: 2: You want to move your 25-kg spare tire from the floor onto the back of your pickup truck. The bed…

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Q: A 60.0-kg skateboarder comes over the top of a hill at 5.00 m/s and reaches 10.0 m/s at the bottom.…

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Q: A 15.1-kg box is being pushed from the bottom to the top of a frictionless ramp. When the box is…

A: Write the given values with the suitable variables. m=15.1 kgW=58 Ju=0 m/sv=1.50 m/s Here, m, W, u,…

Q: 1. A force F = 3xî + 5yj, where F is in newtons and x and y are in meters, acts on an object as the…

A: Given  F→=3x i ^ +5y j^displacement from x=0 to 4.52 so dispacement vectord→=(4.52-0) i^=4.52 i^…

Q: 4. A runner has 250 J of KE. A short time later, he has 150 J of KE. How much Work was done on him?

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Q: You are moving into an apartment and take the elevator to the 6th floor. Suppose your weight is 690…

A: Given that, weight of person  (w1 ) =  690N weight of belongings  w2 = 1040 N  height of floor h =…

Q: 1. A 5 kg block is lifted vertically at a constant velocity of 12 m/s through a height of 12 m. a.…

A:

Q: 1. A 0.14 k-g pine cone falls 16m to the ground, where it lands at a speed of 13 m/s. (a) With what…

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

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Q: 8. A child pulls a friend in a little red wagon with constant speed. If the child pulls with a force…

A: Let's explain this problem in detail:   A child pulls a friend in a little red wagon with a force of…

Q: A motorcycle at rest has 550 J of Work done on it. What is its final KE?

A: Given data:  Initial velocity (v0) = 0 m/s Work done (W) = 550 J Required: Final kinetic Energy

Q: 7.A shopper pushes a grocery cart 20.0 m at constant speed on level ground, against a 35.0 N…

A: He pushes the car  a distance of s=20 m.  Frictional   Force                       =35 N .

Q: As I carry a box up a flight of stairs, am I doing positive work or negative work on the box?…

A: When you carry a box up a flight of stairs, the force is in the direction of the displacement. Hence…

Q: work done by Jerome in climbing the staircase.

A: Given: Mass of the person is m=102 kg Vertical distance covered is h=2.29 m Time taken is t=1.32 s…

Q: 13. Through what vertical distance does the block rise as it slides up to its highest point on the…

A: Given: Mass,m=500g=500×10-3kgAcceleration due to gravity,g=9.8m/s2Coefficient of kinetic…

Q: 1. A constant force of 1200 N is applied to a 150-kg block along a rough horizontal surface at an…

A: See below

Q: 1. A pillbox hat is filled with toothpaste until it has a mass of 9.2 kg. An inquisitive engineering…

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Q: the work done by the force

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Q: Your brand new 75.0-kg refrigerator falls out of the back of your truck while you are traveling up a…

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Q: You are working at a factory. You put a carton (box) with a mass of 2.5 kg on a 1.5-m frictionless…

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Q: Answer the following questions: a. If you push a lawn mower across a yard in 10 seconds, how does…

A: a. If you push a lawn mower across a yard in 10 seconds, how does the work done compare with pushing…

Q: An elevator is lifted by its cables at a constant speed. Is the total work done on the elevator…

A: If the elevator lifted by cables on the elevator two forces are acting 1) gravitational force…

Q: A 60.0-kg woman climbs a staircase to a level 11.0 m above her starting point in 66.0 s. (a) How…

A:

Q: Q21. A body of mass 5 kg moving with an acceleration of 5 ms2 gets . displacement of 2m, the work…

A:

Q: You apply a constant :-68.0 N)î + (36.0 N)ĵ force to a 350-kg car as the car travels 35.0 m in a…

A: Given that, the displacement of the car, S=35m in a direction 2000 counterclockwise from +X…

Q: 2. A cart with a mass of 100 kg is filled with 1,800 kg of coal. A force of 14 kN is used to pull…

A: Work done by the force pulling the cart = F * d = 14 * 10^3 * 10.5 = 147000 J Work done by gravity =…

Q: 1. Two blocks are connected by a very light string passing over a massless and frictionless pulley.…

A: Given:-  Two blocks are connected with the string and pulley and the weight of the W1= 12 N block is…

Q: ) How much work do you do if you carry a 100 N backpack up a flight of stairs with a height of 5 m?…

A: FORCE=100n DISPLACEMENT=5M work done by you=(force)(displacement)=100 X 5m=500J (ANSWER)

Q: A girl on skateboard (total mass of 50.6 kg) is moving at 14 m/s at the bottom of a long ramp. The…

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Q: 2. A 1050 J of work is done by a post-person when pushing a parcel with a mass of 33.2 kg with a…

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Q: A crate is placed at the upper end of the 2.0 m long ramp that is inclined at 20° to the horizontal…

A: Given data: The length of ramp is L=2 m. The inclination of ramp is θ=20°. The mass of crate is…

Q: A weight lifter bench‑presses a 150.0 kg barbell from his chest to a height equal the length of his…

A: Using work energy theorem,

Q: A large wooden crate is pushed up an inclined plane by a worker. The inclined plane has a rough…

A: Given data:  A large wooden crate pushed up an inclined plane Required: The signs for the work done…

Q: 1. A box with a mass of 3.0 kg is accelerated from rest by a constant force across a floor at a rate…

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Q: A car of weight 180 kg. To what height should it be raised so that potential energy is 1420 J? Take…

A: Introduction :  In this question we are provided it value of potential energy ,mass and acceleration…

Q: 11. How much work does Amanda's car experience compared to Bertha's? Amanda and Bertha are in a car…

A: