Question

13. A particle moving with an initial velocity of 5m/s is subjected to a uniform acceleration of - 2.5m/s2. Find the displacement in the next 4 sec

Answer 1

u = 5 m/s
a = -2.5m/s²
t = 4 s
s = ut + 1/2at²
= 5×4 + 1/2×-2.5×16
= 20-20
= 0 m

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