If the skier coasts up the hill, what is his speed (in m/s) when he reaches the top plateau? Assume friction between the snow and skis is negligible.

Q: Sue gets up on the roof to clean off the leaf litter. Upon trying to get back down the ladder, she…

A:

Q: A ball of mass m = 1kg hits the floor with Initlal speed v = 2m/s, and vertically bounces back. The…

A: Given data: Mass of ball is, m=1 kg. Initial speed is, u=2 m/s.

Q: A 0.150kg glider slides on an ice pond with negligible friction with speed of 0.8 m/s. It has a…

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A: Relation between vertical height and impact speed

Q: A roller-coaster car has a mass of 500 kg when fully loaded with passengers (a) If the car has a…

A:

Q: If the speed of a car is increased by 70%, by what factor will its minimum braking distance be…

A: Consider the speed of the car in the first case is v.

Q: A 60.0 kg skier with an initial speed of 15 m/s coasts up a 2.50 m high rise as shown in the figure.…

A: Given data- Mass of skier =60 kg Initial speed vi=15 m/s Height h=2.50 m Coefficient of kinetic…

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A: The height "h" of the highest point (in meters) reached by the skateboarder on the right side of the…

Q: A 60.0 kg skier with an initial speed of 15.5 m/s coasts up a 2.50 m high rise      Find her…

A: Given data: Mass (m) = 60 kg Initial speed (u) = 15.5 m/s Hight (h) = 2.5 m Need to determine the…

Q: A 60.0 kg skier with an initial speed of 12.0 m/s coasts up a 2.50 m high rise as shown above.  Find…

A: Given

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A: Given the height of the building is 36.0 m  The speed is 16.0 m/s The formula for the conservation…

Q: What is the magnitude of the normal force exerted on the ant when the ball's speed is 2.5 /?

A: The diameter of the beach ball D= 60 cm =0.6 m The radius of the sphere r =0.3 m The mass of the…

Q: A 2.1 × 103 -kg car starts from rest at the top of a 5.0-m-long driveway that is inclined at 20°…

A: Given data: Mass of car, m = 2.1 × 103 kg Length of driveway, L = 5 m  angle of inclination, θ = 20°…

Q: For a block of mass m to slide without friction up the rise of height h shown, it must have a…

A: Step 1It is given that m is the mass of the block and it has to rise up at a height h without…

Q: A block of mass M = 3.80 kg is launched with a speed of v = 5.98 m/s at the bottom of a sufficiently…

A: mass, m = 3.8 kg  velocity initial, v = 5.98 m/s  Angle, A = 14.8 degree  kinetic friction = 0.371

Q: A 65.0 kg skier with an initial speed of 13.0 m/s coasts up a 2.50 m high rise as shown in the…

A: The mass of the skier, m=65.0 kg The angle of elevation, θ=35° The initial speed of the skier,…

Q: A man on a motorcycle plans to make a jump as shown in the figure. If he leaves the ramp with a…

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Q: In a circus performance, a monkey is strapped to a sled and both are given an initial speed of 4.0…

A: Given:  initial speed,u = 4 m/s  angle = 20 degree  mass, m = 20 kg  coefficient of friction, u =…

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A: The figure shows the free body diagram of the book. The figure shows the free body diagram of the…

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A: Given: The mass of the first stone is m. The mass of the second stone is 2m. Introduction: The…

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A: M= 108 kg  U= 9.5 m/s  Angle is 8.62° ( by trigonometry)

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A: The vertical position causes the potential energy of the coaster car. Therefore, from conservation…

Q: A roller-coaster car has a mass of 500 kg when fully loaded with passengers (a) If the car has a…

A: Mass , m = 500 kg Velocity at point A , VA = 20 m/s To find = velocity at point B .

Q: A boy coasts down a hill on a sled, reaching a level surface at the bottom with a speed of 6.6 m/s.…

A:

Q: A 79 kg man lying on a surface of negligible friction shoves a 50g stone away from himself, giving…

A: Given Mass of Person is M=79 kg Mass of stone is m=50×10-3 kg Initial total momentum is pi=0

Q: The specialty of an athlete on the women's track team is the pole vault. She has a mass of 48 kg and…

A: Total mechanical energy (Kinetic energy + Potential energy) of a system remains constant if the…

Q: A single frictionless roller-coaster car of mass m = 750 kg tops the first hill with speed v= 15 m/s…

A:

Q: If the speed of a car is increased by 95%, by what factor will its minimum braking distance be…

A: Consider the initial speed of the car is u.

Q: Along a straight horizontal track, a roller-coaster car is moving at 25 m/s. As shown in the figure…

A:

Q: The specialty of an athlete on the women's track team is the pole vault. She has a mass of 60 kg and…

A: Mass of the woman is m = 60 kg Approach speed is v1 = 8.7 m/s Her speed when she is directly above…

Q: A 108 kg man is skiing across level ground at a speed of 9.5 m/s when he comes to the small slope…

A: Mass of man (m) = 108 kg Initial speed (u) = 9.5 m/s Height of final level above the ground (h) =…

Q: Calculate the final speed (in m/s) of a 106 kg rugby player who is initially running at 7.50 m/s but…

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Q: A 50 kg box slides down a 6-meter high plane angled 30o to the horizontal. If the coefficient of…

A: We have a box of mass m=50 kg which is sliding down a height of h=6 m plane angled at 30o and the…

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A: Energy is defined as capacity to do work. Whenever a body falls at a constant speed under the…

Q: A single frictionless roller-coaster car of mass m = 750 kg tops the first hill with speed v= 15 m/s…

A:

Q: Assuming no losses due to friction or air drag, how fast was the 115 kg bicyclist moving before…

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Q: In the figure, two boxes, each of mass 24 kg, are at rest and connected as shown. The coefficient…

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A: Given: Mass, m = 6.85 kgThe graph between force and displacement is given.Find: Speed of the object…

Q: A single frictionless roller-coaster car of mass m = 750 kg tops the first hill with speed v= 15 m/s…

A:

Q: A.2.1x 10-kg.car starts from rest at the top of a 5.8-m-long driveway that is inclined at 15° with…

A: Given data: Mass of car (m) = 2.1×103 kg Displacement along driveway (d) = 5.8 m Angle with…

Q: Suppose I need to  toss an object of mass 5.2 up onto a shelf 5.94 meters above where my hands can…

A: The third equation of motion is  v2 = u2 + 2 a s  where, u is the initial speed, v is the final…

Q: On the roller-coaster shown, a car is moving 12 m/s toward the right at point 1. Assuming no…

A:

Q: A 60.0 kg skier with an initial speed of 12.5 m/s coasts up a 2.50 m high rise as shown in the…

A: Given:Mass of the skier = 60 kgInitial speed of the skier = 12.5 m/sHeight of the ramp = 2.5…

Q: A net external force is applied to a 6.85-kg object that is initially at rest. The net force…

A: Given information: A force versus displacement graph is given The mass of the object, m=6.85 kg The…

Q: A 97.49-kg skier with an initial speed of vi=34.93 m/s coasts up a H=11.75-m-high risel.  The slope…

A: Given,Mass of the skier, m = 97.49 kginitial speed, vi = 34.93 m/sheight, H = 11.75 mslope of the…

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.