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Grade 11Thermal Physics

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

Preeti

8 Years agoGrade 11

1 Answer

Adarsh

8 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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