MCQEasy1 mark
1
Choose the correct answers to the questions from the given options. (Do not copy the questions, write the correct answers only.)
When the speed of a moving object is doubled, then its kinetic energy: (a) remains the same (b) decreases (c) is doubled (d) becomes four times
Topic: Kinetic energy
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Answer
Exam answer
(d) Becomes four times.
Explanation
Kinetic energy is proportional to the square of speed; doubling speed makes it four times.
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