A 1900 kg car moves down a level highway under the actions of two forces: a 960 N forward force exerted on the drive wheels by the road and a 910 N resistive force. Use the work-energy theorem to find the speed of the car after it has moved a distance of 32 m, assuming that it starts from rest

Q: On an essentially frictionless, horizontal ice rink, a skater moving at 6.0 m/sm/s encounters a…

A: Given initial speed= 6m/s Final speed = 2.88m/s Friction force = 0.22Mg = 2.2M Change in kinetic…

Q: A conservative force of magnitude 12.5 N is acting on a 1.5 kg body. The particle starts moving…

A: Mass of the body is, m=1.5 kg.  Force= 12.5 Nlength of path A to B is 12.8 mThe length of path B to…

Q: A constant 89.3-N force acts on a 3.49-kg box. The box initially is moving at 20.5 m/s in the…

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Q: A constant force, F = 6 i N in the + x direction acts on a 2.0-kg object as it moves from the…

A: Given The constant force applied to an object is F=6 i^ N. The initial position of an object is…

Q: A crate with mass m = 24 kg is being pushed up an incline that makes an angle φ = 18.7 degrees with…

A: Givenmass, m=24 kgangle, ϕ=18.7 degforce, P=460 Ncrate start from restfinal speed, v=4.8…

Q: The normal force from the pogo stick on your feet has magnitude Npy(y) = F1(1 −y/h) where F1 =…

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Q: A constant 81.8-N force acts on a 3.70-kg box. The box initially is moving at 11.3 m/s in the…

A: Applying Work-Kinetic Energy theorem:- Work done by the force(W)=Change in KE of the object Hence,…

Q: The 50-kg crate is at rest when a force P of 400 N acts on it as shown. Using the work and energy…

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Q: A 1260 kg elevator accelerates upward at 1.20 m/s2 for 16.8 m starting from rest. How much work (in…

A: Given: Mass of the elevator is m=1260 kg Acceleration of the elevator is a=1.20 m/s2 Height gained…

Q: A car of mass 1078 kg moves up a mountain road with the help of a nonconservative force that does…

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Q: A body of mass 2 kg is initially at rest on a horizontal frictionless plane. It is then pulled 4 m…

A: Given value--- mass = 2 kg. distance = 4 m. Force = 25 N. We have to find--- final speed?

Q: A cord is used to vertically lower an initially stationary block of mass M = 20 kg at a constant…

A: mass, m  = 20 kg  downward acceleration, a = g/4  distance, d = 1.5 m

Q: with an initial speed of 14 m/s. Find the work done by gravity on the rock from the time it leaves…

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Q: cargo of 2 Kg on a frictionless ramp is connected (by a cord that runs over a pulley) to a spring of…

A: In the given question, Mass of cargo (m) = 2 kg spring constant (k) = 120N/m The angle of…

Q: A basketball player makes a jump shot. The 0.600-kg ball is released at a height of 2.09 m above the…

A: The mass of the basketball is m = 0.600-kgThe ball is released at a height of h = 2.09 m The speed…

Q: A 1600 kg car moves down a level highway under the actions of two forces: a 940 N forward force…

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Q: A person pushes a 12.9-kg shopping cart at a constant velocity for a distance of 26.9 m on a flat…

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Q: A body of mass 8kg moves in a straight line on a horizontal frictionless surface. At one point in…

A: Given, Mass,m=8  kg Initial speed, u=4 m/s Final speed,v=5 m/s Distance traveled,d=3 m

Q: A 11.7 kg sled starts from rest at the top of a hill that is inclined at 29.3 degrees to the…

A: Given data as per question mass of sled =  11.7kg angle made with horizontal   =  29.3 distance  =…

Q: The following information applies to the next two questions (questions 25 and 26). A particle of…

A: Force is a physical quantity that can cause an object with mass to change its state of motion or…

Q: The figure gives the acceleration of a 5.0 kg particle as an applied force moves it from rest along…

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Q: Starting from rest, a 24.6 kg suitcase slides 4.81 m down a frictionless ramp inclined at 36.9° from…

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Q: A single force acts on a I kg panticle-like object in such a way that the position of the object as…

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Q: A 4.0 kg block starts with a speed of 12 m/s at the bottom of a plane inclined at 35° to the…

A: mass of block, m= 4 kg initial speed, u = 12 m/s Coefficient of friction, μk= 0.32 θ= 35°

Q: A variable force directed in the positive x direction is exerted on an object moving at a constant…

A: The objective of the question is to find the displacement where the force is removed, given that the…

Q: A 4878-kg car is driving down a portion of highway that is inclined 10° with respect to the…

A: According to question---- Given data-- Mass of car (m) = 4878 kg. Incline angle = 10 degree…

Q: You throw a 20-N rock vertically into the air from ground level. You observe that when it is 15.0 m…

A: Given Data Weight of the rock is W=20 N Height of the rock from the ground is h=15.0 m Speed of the…

Q: A body of mass 2 kg is initially at rest on a horizontal frictionless plane. It is then pulled 4…

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Q: A little red wagon with mass 7.00 kg moves in a straight line on a frictionless horizontal surface.…

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Q: A 8.71 kg box initially at rest on a horizontal surface is pushed by a constant force of 32.1 N that…

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Q: A particle is subject to a force Fx that varies with position as shown in the following figure. Find…

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Q: A constant 82.5-N force acts on a 6.54-kg box. The box initially is moving at 20.5 m/s in the…

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Q: A 941 kg elevator carries passengers with combined mass of 455 kg as it ascends at constant speed of…

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Q: The driver of a 1750 kg car, initially traveling at 10.6 m/s applies the brakes, bringing the car to…

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Q: In 1990 Walter Arfeuille of Belgium lifted a 281.5-kg object through a distance of 17.1 cm using…

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Q: A 3.5 kg block starts with a speed of 16 m/s at the bottom of a plane inclined at 41° to the…

A: (a) suppose the block moves through a distance d. The net work done along the direction of the…

Q: An object of mass 5.00 kg is subject to a force Fx that varies with the position as in the figure…

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Q: On a frictionless canvas a 6.5 kg block can slide along the x-axis and is subjected to a force of 90…

A: Given, Mass m = 6.5 kg            Force  F = 90 N           Initial velocity u = 0 (at rest)…

Q: A 60.0 kg skier with an initial speed of 12.0 m/s coasts up a 2.50-m—high rise.  Find her final…

A: skier weight=60.0 kg speed of skier= 12.0 m/s height= 2.50 m coefficient of friction= 0.0800 angle…

Q: 1. In the figure the mass of the box is 0.15 kg. It slides down the track from point A and reaches…

A: We use the work-energy theorem to calculate the coefficient of friction.

Q: The (non-conservative) foree propelling a 1.10 x 10°-kg car up a mountain road does 7.50 x 10 J of…

A: Given: mass of car m =1.10*103 kgwork done by force W = 7.50*106 Jheight reached h = 2.20*102 m

Q: A shopper in a supermarket pushes a cart with a force of 41 N directed at an angle of 25° below the…

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Q: A sled has a total mass of 57 kg and is pushed with a horizontal force from rest. It accelerates at…

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