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प्रश्न
A racing car has a uniform acceleration of 4 m s−2. What distance will it cover in 10 s after start?
उत्तर
Acceleration (a) = 4 ms−2
Time (t) = 10s
Initial velocity (u) = 0
second equation of motion
s = `ut + (1/2) at^2`
s = `0 xx 10 + (1/2) xx 4 xx 10^2`
s = 200 m
Hence the distance covered by the car after 10 s = 200 m
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