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A 1200 kg frictionless roller

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A 1200 kg frictionless roller coaster starts from rest at a height of 23 m. What is its kinetic energy when it goes over a hill
1. 1 answer
2. asked by yanna
3. 841 views
A 1200-kg frictionless roller coaster starts from rest at a height of 24 m. What is its kinetic energy when it goes over a spot
1. 1 answer
2. asked by Bob
3. 5,018 views
a 4kg roller is attached to a spring of force constant 100N/m. it slides over a frictionless horizontal road. the roller is
1. 2 answers
2. asked by sumit
3. 478 views
A frictionless roller coaster is given an initial velocity of v0 at height h = 24 m . The radius of curvature of the track at
1. 2 answers
2. asked by john
3. 1,545 views
A 69 kg roller blader, is on a frictionless surface at rest, he then tosses a 4.0 kg rock that has a velocity given by
1. 3 answers
2. asked by Jacob
3. 489 views
a.A frictionless roller coaster is given an initial velocity of v0 at height h = 16 m . The radius of curvature of the track at
1. 1 answer
2. asked by Anonymous
3. 689 views
A 315 kg roller coaster starts from rest at the top of a 30-m hill. Assuming the track is frictionless, what is roller coaster's
1. 1 answer
2. 93 views
A roller in a sheet-metal processing plant has a diameter of 1.77 m and a mass of 5871 kg. Assume the roller is a solid
1. 1 answer
2. asked by Tina
3. 718 views
How fast will a roller coaster, mass 1200 kg, be moving at the bottom of an 18 m tall hill?
1. 0 answers
2. asked by Emma
3. 193 views
Problem 2- A 350 kg roller coaster starts from rest at point A and slides down the frictionless loop-the-loop shown in the
1. 2 answers
2. asked by Anonymous
3. 24,044 views

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