A. A bullet of mass 200 g is fired a velocity of 100 m/s. what is kinetic energy?
b. A body of mass 5 kg has kinetic energy of 1000 J. calculate its speed.
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sorry second answer is 20 km/hr
because x=√400
sorry second answer is 20 km/hr
because x=√400
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because x=√400 .... ( this i don't understand) can you tell me again
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