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Question 9: By how much will the kinetic energy of a body incr
Physics by Lakhmir Singh
Physics

Class 9

Lakhmir Singh

Author:
Lakhmir Singh
Publisher:
S. Chand
Subject:
Science
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Question 9: By how much will the kinetic energy of a body increase if its speed is doubled?

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Physics (Lakhmir Singh)

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Answer: Kinetic energy of a body is directly proportional to the square of velocity. So, the kinetic energy will become four times the initial value when velocity is doubled.
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Question Text
Question 9: By how much will the kinetic energy of a body increase if its speed is doubled?
TopicWork and Energy
SubjectScience
ClassClass 9
Answer TypeText solution:1
Upvotes56