A body moving in a straight line at 72 km/h undergoes a an acceleration of 4m/s^2. Find its speed after 2 seconds.
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The speed after 2 seconds is 0.02 km/s
The speed after 2 seconds is 0.02 km/sNow, the body is moving 72 kilometres in one hour. Thus, the body is moving 72 kilometres in 3600 seconds.
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