A body moving along a straight line at 30m/s undergoes an acc. Of -5m/s square . After two seconde its speed will be
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v = u + at
= 30 m/s + (-5 m/s^2 × 2)
= 30 m/s - 10 m/s
= 20 m/s
It’s speed after 2s is 20 m/s
= 30 m/s + (-5 m/s^2 × 2)
= 30 m/s - 10 m/s
= 20 m/s
It’s speed after 2s is 20 m/s
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