Question:
A ball has k.e of 10000.if it has mass of 2 kg ,how fast is it going
Answer:
K.E = (1/2)mv2
Given, K.E=10000 , m=2kg
So, 10000=1/2×2×v2
v2=(10000×2)/2
v2=10000
v=100 m/sec
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