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Grade: 12
        If  a projectile is projected at 30 degrees o the horizontal reaches the ground two seconds after projection, the change in velocity in that time interval is
7 months ago

Answers : (1)

Rama sai rohan
32 Points
							With what velocity it is projected it will reach the ground with same velocity. If it is projected with usinxi^+u cosxj^ it reaches the ground with -usinxi^+ucosxj^ if we find the difference 2usinxi^. We know x=30 if we sub init we get ui^
						
6 months ago
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