A body has 40 J kinetic energy. What is the speed of body if its mass is 20 kg? A 2 ms 1 B 1 ms 1

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A body has 40 J kinetic energy. What is the speed
of body if its mass is 20 kg?
A 2 ms 1
B 1 ms ¹
C √2 ms ¹
D 2√2 ms ¹
Transcribed Image Text:A body has 40 J kinetic energy. What is the speed of body if its mass is 20 kg? A 2 ms 1 B 1 ms ¹ C √2 ms ¹ D 2√2 ms ¹
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