A baseball outfielder throws a baseball of mass 0.30 kg at a speed of 40 m/s and initial angle of 30°. What is the kinetic energy of the baseball at the highest point of the trajectory? 15 J 30 J 110 J 10 J 180 J

A baseball outfielder throws a baseball of mass 0.30 kg at a speed of 40 m/s and initial angle of 30°. What is the kinetic energy of the baseball at the highest point of the trajectory? 15 J 30 J 110 J 10 J 180 J

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter8: Conservation Of Energy

Section: Chapter Questions

Problem 9PQ

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Concept explainers

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.

Question

A baseball outfielder throws a baseball of mass 0.30 kg at a speed of 40 m/s and initial
angle of 30°. What is the kinetic energy of the baseball at the highest point of the trajectory?
15 J
30 J
110 J
10 J
180 J

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