A 5kg ball travels in a circle of radius 2m. If it experiences a 20 N force indoing so, what is its speed?

Q: A speed boat requires 61 kW to move at a constant speed of 28 m/s. What is the resistive force in…

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Q: A 73.0-kg skier starts from rest from the top of a 49-m high slope. What is the speed of the skier…

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Q: 26. An 80.0-kg skydiver jumps out of a balloon at an alti- tude of 1 000 m and opens his parachute…

A: (a)Without parachute, the acceleration is,

Q: What minimum speed does a 180 gg puck need to make it to the top of a 3.10 mm -long, 27.0 ∘∘…

A: Given : m = 180 g = 0.180 kg L = 3.10 m θ = 27°

Q: During terrible weather at a ski-flying world championship, a ski jumper tried to adjust for bad…

A: Given: The mass of the jumper is 73 kg. The distance from the starting point is 45 m. Introduction:…

Q: A5.0 kg mass is dropped from a height of 10.0 m what is its speed just as it reaches the ground?

A: Given:-  The mass of the object is m = 5.0 kg  The height of the object is h = 10.0 m  Find :-  its…

Q: A speed boat requires 63 kW to move at a constant speed of 12.m/s. What is the resistive force in…

A: Power, P = 63 kW = 63000 W Speed, v = 12 m/s   The power of the speed boat is given by  Power =…

Q: A bobsled makes a run down an ice track starting at 150m vertical distance up the hill. If there is…

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Q: Your friend throws a stone that has a mass of 4kg straight down from the top of a 175m tall building…

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Q: A roller coaster ride starts at a height of 35 m above the ground. The mass of the car is 450 kg.…

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Q: An old miser with a bag og gold jums onto the surface of a frozen lake and hopes to coast…

A: Given Data : The distance travelled before stopping is given as s = 80m. The coefficient of kinetic…

Q: A dog with a mass of 57.0 kg slides down a wet slope with negligible friction. The dog starts from…

A: Given: Mass of dog m=57 kg Initial velocity u =0 m/s Final speed v=2.10 m/s

Q: Keep the track tilted at 7∘∘ with the horizontal, at let the cart roll downwards. The length of the…

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Q: 2. A 50.0 kg roller coaster car is launched, from ground level, at 20.0 m/s. How fast will it be…

A: Given Mass or roller = m = 50.0 kg Speed at ground level = u = 20.0 m/s Height of the top from…

Q: A mass of 2.12 kg is initially at rest upon a frictionless incline with a 33.2 degree angle of…

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