A machine gun bullet of mass m leaves the barrel at a speed of 100 ms-1 and has a kinetic energy of 100 J. What is mass of the bullet?
Answers
Answered by
3
Answer:
1/2mv^2=kinetic energy
your answer is:-
0.02kg
thanku❤(BK)❤
Answered by
1
Answer:
answer = 0.2 kg
Explanation:
1/2mv² = 1000
v = 100ms-1
m = 1000 × 2 / 100 × 100
m = 0.2 kg
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