18) The velocity of a motor car moving along a road increase from 50m/sec in 8 sec. find the acc. A) 10m/sec B) 5 m/sec 15 m/sec' D)20 m/sec
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Answer:
5m/s2
Explanation:
Average acceleration = rate of change in velocity per unit time
dv/dt = 50-10/8
= 40/8
= 5m/s2
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