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Question 32: The velocity of a body of mass 10 kg increases from 4 m/s to 8 m/s when a force acts on it for 2 s. (a) What is the momentum before the force acts ? (b) What is the momentum after the force acts ? (c) What is the gain in momentum per second ? (d) What is the value of the force ? Lakhmir Singh Physics Class 9 |
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Answer» one second one MINUTE is equal to 60 seconds The 62nd is all the 20 minutes contain a 2016 is a 1 hour and the 60 seconds is a one second |
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