What must be the velocity of a moving body of mass 2kg so that its KE is 25J?
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10
ஜ۩۞۩ஜ ӇЄƳƛ MƛƬЄ ஜ۩۞۩ஜ
Answer...
Formula of K. E. →
★K = ½mv²
v² = 2K/m
v² = 2 x 25/2
v² = 25
v = 5m/s
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Answered by
3
KE = 1/2 mv²
⇒ 1/2 (2)(v)2 = 25
⇒ v = 5 m/s
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