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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