Question 16

An object, starting from rest, moves with constant acceleration of 4 m/s2. After 8 s, its speed is:

Solution

The correct option is C.

Using equation of motion , v = u + at

We have , u = 0, a = 4m/$$s^{2}$$, t= 8 sec

v = 0 + 4 $$\times$$8 = 32 m/s

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