Answered: A 20 kg block starts from rest at point…

A 20 kg block starts from rest at point A and slides along a frictionless track. What is the speed of the block at point B? A (a) 6.3 m/s (c) 39 m/s (b) 157 m/s (d) 13 m/s 8.0 m в

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter5: Energy

Section: Chapter Questions

Problem 79AP: A ski jumper starts from rest 50.0 m above the ground on a frictionless track and flies off the...

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Question

A 20 kg block starts from rest at point A
and slides along a frictionless track.
What is the speed of the block at point B?
A
(a) 6.3 m/s
(b) 157 m/s
(c) 39 m/s
(d) 13 m/s
8.0 m
в

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