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CBSE Class 9 Answered

<div>What is the velocity of mass of 100g having K.E of 20J?</div> <div>Please answer the question with proper explanation&nbsp;</div>
Asked by adityaahuja099 | 08 Nov, 2017, 10:52: AM
Expert Answer
100gm=0.1kg
KE=(1/2)xmv2
20=(1/2)x0.1xv2
20x2=0.1xv2
400=v2
v=20m/s
Answered by Gajendra | 04 Dec, 2017, 11:39: AM
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