A boy coasts down a hill on a sled, reaching a level surface at the bottom with a speed of 6.6 m/s. If the coefficient of friction between the sled's runners and snow is 0.060 and the boy and sled together weigh 590 N, how far does the sled travel on the level surface before coming to rest?

Q: A 800 kg car is traveling down a highway at 13.0 m/s when the driver notices a turtle in the middle…

A: Given Data: The mass is, m = 800 kg. The velocity is, v =13 m/s. The displacement is, d = 18 m.…

Q: A 2.8 kg ball strikes a wall with a velocity of 6.7 m/s to the left. The ball bounces off with a…

A:

Q: A 80.0 kg mail bag hangs by a vertical rope 3.5 m long. A postal worker then displaces the bag to a…

A:

Q: Under the influence of its drive force, a snowmobile is moving at a constant velocity along a…

A: Given:

Q: You go to the playground and slide down the slide, a 3.0-m-long ramp at an angle of 40° with respect…

A:

Q: A box of mass 11.6 kg is slid along the floor. The initial speed of the box is 1.8 m/s and it comes…

A: According to question--- Given value--- mass m = 11.6 kg. initial speed = 1.8 m/sec . final speed =…

Q: A rock of mass m falls from the top of a cliff and it experiences a significant amount of air drag…

A:

Q: A 10 kg-block moves on a smooth horizontal surface with a speed of 10 m/s and slides into another…

A: Given data: Mass = 10 kg Initial speed = 10 m/s Coefficient of friction = 0.25 Need to determine the…

Q: A skydiver (46 kg) is falling at 27 m/s when she pulls her parachute cord. The parachute slows her…

A:

Q: A manufacturer of children's slides does some tests and discovers that the slope of a slippery slide…

A: The data given is as follows, 1. Slope of the slide, θ=25° 2. The weight of the child is, mc=35 kg…

Q: Under the influence of its drive force, a snowmobile is moving at a constant velocity along a…

A: According to Newton's second law -  F=ma Therefore,  a=Fm Given values,  m = 125 kg  F = 190 N a=190…

Q: Two penguins, Wheezy and Mumble, are racing down an icy slope into the water below.  Wheezy has a…

A: The coefficient of friction μ=0.12 The angle of inclination θ=80 The free body diagram of the…

Q: A box started at rest but was moved at a speed of 5 m/s. It was pushed 3 meters up a 60° ramp. The…

A: The mass of the box is m = 5.6 kg. The inclination of the plane with the horizontal is θ = 60…

Q: A box is launched up a rough incline with an initial velocity, vo = 6.7 m/s, as in the figure below.…

A:

Q: Under the influence of its drive force, a snowmobile is moving at a constant velocity along a…

A: mass = 126 kg drive force = 195 N constant velocity = 5.60 m/s

Q: You're standing at the top of a snow-covered hill, sloped at 20.0°. The coefficient of kinetic…

A:

Q: Two boxes are placed side by side on a frictionless inclined plane and released to slide down from…

A: mgh=12mv2     v=2gh

Q: what speed  ?  will he be going after  35.0 m ?

A: force=1.10×103 Npushing force=805 Ndistance, x=35 mmass=90 kg

Q: At night while it is dark, a driver inadvertently parks his car on a drawbridge. Some time later,…

A: GivenCoefficient of state friction         μs Coefficient of kinetic friction        μk =0.470.

Q: A 7780-kg car is travelling at 25.8 m/s when the driver decides to exit the freeway by going up a…

A: Mass of the car m= 7780 kgInitial velocity of the car u = 25.8 m/sFinal velocity of the car v = 13.5…

Q: A child slides down a snow‑covered slope on a sled. At the top of the slope, her mother gives her a…

A:

Q: A 1500kg car is driving on the road at a speed of 15 m/s. The driver applies the brakes, bringing…

A: The minimum distance the car needs to travel to stop (braking distance) is given by, d=v22μg Here, v…

Q: A block with an initial velocity of 24 m/s slides along a surface with a friction coefficient of…

A: Given  Initial velocity of block (u) = 24m/s Friction coefficient (μ)= 0.30 Solution : - Newton's…

Q: A 80.0 kg skater with the Birmingham Bulls hockey team with an initial speed of 7.8 m/s stops…

A:

Q: Somone is standing on a piece of cardboard holding a wire that is attached to a vehicle.  The…

A:

Q: A parachutist whose mass is 85 kg drops from a helicopter hovering 2000 m above the ground and falls…

A: The objective of the question is to find out the total time taken by the parachutist to reach the…

Q: A student pushes a physics textbook of mass 1.19 kg across a table with a horizontal force of 5.66…

A: The objective of this question is to find the speed of the textbook after a certain period of time.…

Q: A car going 32.0 km/h on dry, level pavement jams on its brakes and skids to a stop. The car’s mass…

A: Initial speed, u.= 32 km /h= 32x5/18 m/s = 8.89 m/s Mass, m= 1250 kg   friction coefficient, μk=…

Q: coefficient of friction between the tires of Shirley's 1985 Ford Coupe and the dry pavement is 0.71.…

A:

Q: Starting from rest, a 28.4 kg child rides a 9.75 kg sled down a frictionless ski slope. At the…

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Q: Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. The scale reads 830 N for the…

A: Apply newton’s second law of motion along the motion of the lift, and substitute 95kg, for m,…

Q: A desperate hiker has to think fast to help his friend who has fallen below him. Quickly, he ties a…

A:

Q: A 2234 kg car is traveling at 30.0 m/s on a flat surface. It encounters an incline angled at 15…

A:

Q: A truck is traveling at 11.6 m/s down a hill when the brakes on all four wheels lock. The hill makes…

A: The given data are: u=11.6 m/s=Initial velocityθ=17°=inclination of a hillμ=0.876=coefficient of…

Q: A boy shoves his stuffed toy zebra down a frictionless chute. It starts at a height of 1.49 m above…

A: Given quantities: initial speed of the toy (u) = 1.87 m/s height from which toy starts its motion…

Q: A study of bluefish locomotion found that their tail motion produces an average thrust of 0.65 N.…

A:

Q: A 6.8-kg toboggan is kicked on a frozen pond, such that it acquires a speed of 1.9 m/s. The…

A: Given: Mass of toboggan (m) = 6.8 kgInitial velocity of toboggan (u) = 1.9 m/sFinal velocity of…

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.