for how much should the force of 400N be exerted on abody of mass 8kg to increase its velocity from 150ms to 300ms
neerjabinu:
is it to find time?
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Given ,
u = 150m/s
v = 300m/s
m = 8kg
F = 400N
From F = ma
400 = 8a
a = 400/8 = 50m/s²
And a = v-u / t
⇒ 50 = 300 - 150 / t = 3sec
So the time taken is 3 seconds
u = 150m/s
v = 300m/s
m = 8kg
F = 400N
From F = ma
400 = 8a
a = 400/8 = 50m/s²
And a = v-u / t
⇒ 50 = 300 - 150 / t = 3sec
So the time taken is 3 seconds
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