A force of 16N is applied on a 4.0kg block that is at res...
A force of 16N is applied on a 4.0kg block that is at rest on a smooth, horizontal surface. What is the velocity of the block at t = 5 seconds?
4ms-1
10ms-1
20ms-1
50ms-1
80ms-1
Correct answer is C
F = ma
= m(u−v)t
16 = 4(v−0)5
v = 20ms-1
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