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A bullet of mass 10g is moving with speed 400m/s. Find it`s KE in calories

A bullet of mass 10g is moving with speed 400m/s. Find it`s KE in calories

Grade:11

1 Answers

Adarsh
763 Points
3 years ago
kinetic energy of bullet = ½.m.v2= ½.10.10-3.16.104= 800J
now we will convert 800 joule in calorie 
800/4.18=191.38756 calorie will be the answer ….

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