Asked by Danso
A rezontance force of 12N act for 5sec a mass of 5kg initially at rest find the,1) velocity acquired,show the knetic energy K.E =1/2MV2
Answers
Answered by
Anonymous
12 N * 5 s = change of momentum = 5 * v
so
v = 12 m/s
(1/2) m v^2 = (1/2)(5)(144) = 360 Joules
so
v = 12 m/s
(1/2) m v^2 = (1/2)(5)(144) = 360 Joules
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