Starting from rest at the top, a child slides down the water slide at a swimming pool and enters the water at a final speed of 5.33 m/s. At what final speed would the child enter the water if the water slide were twice as high? Ignore friction and resistance from the air and the water lubricating the slide.

Q: A boy of mass 40.0 kg is sledding down a 70.0-m slope starting from rest. The slope is angled at…

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Q: A small block of mass m=.5kg is fire with an initial speed of v0 = 4m/s alog a horizontal section of…

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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…

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

Q: A ball of mass m is thrown from ground level with initial horizontal velocity component Vox and…

A: Given: Mass of a ball is m. Initial horizontal velocity component is v0x Initial vertical velocity…

Q: Initial Height h₁ m = 325 kg h₁ = 19.5 m 1 Car mass, with passengers = m No friction. 2 Bottom 3…

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Q: A 67.97-kg skier with an initial speed of vi=36.26 m/s coasts up a H=14.84-m-high rise as shown in…

A: Given :Mass of skier m = 67.97 kgInitial speed u = 36.26 m/sCoefficient of friction μ=0.147

Q: Two people (Luis and Carmen) come out simultaneously from the same height of two slides (for…

A: Given Both start at the same height h and end at the same height h' Both of them are initially at…

Q: Starting from rest at the top, a child slides down the water slide at a swimming pool and enters the…

A: According to conservation of energy, the change in kinetic energy of the child must be equal to the…

Q: Children slide down a frictionless water slide that ends at a height of 1.80 m above the pool. 1.80…

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Q: 36.A skier starts to ski without speed for the first time from the 40 m high ramp. After the lower…

A: Given that: Height of ramp = 40 m Coefficient between the skier and the ground in the flat area =…

Q: A 60.0 kg skier with an initial speed of 13.0 m/s coasts up a 2.50 m high rise as shown in the…

A:

Q: Two runners run up two different flights of stairs. They reach the top at the same time. The man has…

A: We need to analyze certain parameter about the motion of a man and a woman.

Q: T4.00 m 25.0 m 12.0 m 30 m V=

A: By conservation of energy Mgh1+12Mv12=Mgh2+12Mv22 v22=g(h1-h2)+v12

Q: A 67 kg snowboarder starts at the top of an icy (frictionless) hill with a vertical height of 22 m…

A: height of top(ht)=22m height of middle point(hm)=11m initial speed at top(vi)=15 m/s concept :…

Q: A block of mass m1=2.4kg is connected to a second block of mass m2=1.8kg. When the blocks are…

A: Given information:m1 =2.4kgm2 =1.8kgdistance moved by the masses, d = 0.5 mkinetic friction between…

Q: A 60.0 kg skier with an initial speed of 14.0 m/s coasts up a 2.50 m high rise as shown in the…

A:

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.…

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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: example of a system having both kinetic and potential energy would be: a. a book resting on a table…

A: A body in motion possess kinetic energy. When a body is at a particular height from ground than the…

Q: An object of mass, m = 56 kg starts to slide from rest on a curved ramp from height, H = 37 m above…

A: (a) According to the conservation of energy, the initial potential energy covert to the kinetic…

Q: 5) A 0.042 kg block is at the top of a frictionless track of height 1.3 m. The block slides down the…

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Q: A body is falling freely under the action of gravity alone in vacuum. Which of the following…

A: To determine: The correct option.

Q: A 93 kg man lying on a surface of negligible friction shoves a 56 g stone away from himself, giving…

A: Using the conservation of momentum we get M1 V1 = M2 V2 Where M1,V1 are the mass and velocity of…

Q: Which of the following statements about the "Conservation of Energy" is NOT true? A) The total…

A: Conservation of energy is one of the fundamental theorem in science which helps us to understand and…

Q: 0.50 kg - U, =1.5 m/s ir= 0.95 m 2.0 m 1.9 m An engineer is working on a new roller coaster, and he…

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

A: According to the conservation of energy, total energy at each hill must be equal. potential…

Q: A 60.0 kg skier with an initial speed of 16.5 m/s coasts up a 2.50 m high rise as shown in the…

A:

Q: Children slide down a frictionless water slide that ends at a height of 1.80 m above the pool. 1.80…

A:

Q: A body is traveling at 2.0 m/s along the positive direction of an x axis; no net force acts on the…

A:

Q: A 5-kg block slides off the horizontal surface of a table with initial speed 1.45 m/s and hits the…

A:

Q: Starting from rest at the top, a child slides down the water slide at a swimming pool and enters the…

A: Given information: The final velocity of the child (v1) = 4.42 m/s The height of the slide, when the…

Q: Using a simple pulley and rope system, a т, crewman on an Arctic expedition is trying to…

A: Draw the free-body diagram of the block and crewman as shown below.

Q: The engine in an imaginary sports car can provide constant power to the wheels over a range of…

A:

Q: An Atwood's machine consists of two different masses, both hanging vertically and connected by an…

A: Given:  The relation between the mass of two blocks is, M2=2M1. Let's consider the speed of the…

Q: A 2.0-kg block was released from rest at point A. It then moves through point B until it finally…

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Q: On the roller-coaster shown, a car is moving 10 m/s toward the right at point 1. Assuming no…

A: At point 1, it has initial potential energy which is then converts to kinetic and potential at…

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

A: From the work-energy theorem, the work-done is equal to the change in kinetic energy. Therefore,…

Q: A 60.0 kg skier with an initial speed of 14 m/s coasts up a 2.50 m high rise as shown in the figure.…

A: Given:- mass m = 60 kg vi = 14 m/s  h= 2.50 m  the coefficient of friction between her skis and the…

Q: A 2kg hockey puck on a frozen pond is given an initial speed of 20 m/s. If the puck always remains…

A: Data Given ,  Mass of the hockey puck ( m ) = 2 kg  Initial speed ( u ) = 20 m/s Displacement ( s )…

Q: Two balls are thrown off a building with the same speed,one straight up and one at a 45° angle.…

A: Since the initial velocity of both the balls are same ,the kinetic energy of them is equal.Similarly…

Q: A 8.00-kg block of ice is released from rest at the top of a 1.60-m long frictionless ramp, slides…

A: Given:mass of block, m = 8.0 kgLength of frictionless ramp, L = 1.6 mspeed of block at the bottom, v…

Q: A block slides up an inclined plane. Friction is present between the block and the plane. Which of…

A: Given that a block is sliding up an inclined plane. There is a force of friction acting between the…

Q: Problem 3: A 60.0 kg skier with an initial speed of 15 m/s coasts up a 2.50 m high rise as shown in…

A: given: vi=15 m/sm=60.0kgh=2.50 mθ=35°μ=0.31

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 47 kg skier rolls off from a frictionless slope with an inclination of approximately 400. From the…

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Q: A 56.32-kg skier with an initial speed of vi=44.29 m/s coasts up a H=15.4-m-high rise as shown in…

A:

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.