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A body moving vertically upwards chnges its velocity at constant rate of from 50m/s to 20m/s in 3sec. What is its retardation .(Help me with Processes) |
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Answer» TAKE THE FINAL VELOCITY AS=20M/S(V) TAKE THE INITIAL VELOCITY AS=50M/S(U) TIME=3 SECONDS NOW USE THE EQUATION V=U+AT IN THIS CASE ACCELERATION=RETARDATION 20=50+3A A=-30/3=-10M/S2 |
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