A frictionless plane inclined at 21° above the floor has length 3.3 m. A block starts from rest at the top of the inclined plane and slides down to the floor. What is its speed when it reaches the floor? A. 4.8 m/s B. 3.4 m/s C. 5.1 m/s D. cannot be determined with the information given

A frictionless plane inclined at 21° above the floor has length 3.3 m. A block starts from rest at the top of the inclined plane and slides down to the floor. What is its speed when it reaches the floor? A. 4.8 m/s B. 3.4 m/s C. 5.1 m/s D. cannot be determined with the information given

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 frictionless plane inclined at 21° above the floor has length 3.3 m. A block starts from rest at the top of the
inclined plane and slides down to the floor. What is its speed when it reaches the floor?
A. 4.8 m/s
B. 3.4 m/s
C. 5.1 m/s
D. cannot be determined with the information given

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