when mass is 10 and kinetic energy is 2000 then velocity =?
Answers
Answered by
1
Answer:
since K.E=1/2mv^2
m=10
K.E=2000
Now,
=2000=1/2*10v^2
=4000/10=v^2
=v=+-√400
=v=+-20
But velocity can't be negative so
v=20m/s
Hope it's clear to you mate☺
Answered by
10
Explanation:
Given:K.E.=2000 J
Mass=10kg
K.E.=½mv²
2000=½×10× v²
2000×2=10×v²
4000/10=v²
√400= v
So, v=20m/s
Hope it helps :)
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