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Grade: 9
        
A car moves linearly with uniform retardation. If the car covers 40 m in last 2 seconds of its motion, what is the velocity of the car at the beginning of the last second?
9 months ago

Answers : (1)

Arun
13867 Points
							Sn = u + (1/2)*f*(2n-1)
V = u + ft
Find v after n seconds and relate it to the sum of n anf n-1 seconds.
Hence you willbgetvthe speed as 40 m/sec.
Regards
Arun (askIITians forum expert)
9 months ago
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