A 50g bullet leaves a rifel with vel of 400m/s and the rifel recoil with vel of 0.5m/s calc the mass of rifel
Answers
Answered by
0
Answer:
40kg
Explanation:
m1v1 is equal to m2v2 law of conservation of momentum mass of bullet×velocity of bullet is equal to mass of gun×recoil velocity of gun change the units as well according to your options
Answered by
1
Answer:40 kg
Explanation:
m1u1+m2u2= m1v1+m2v2
Since u= 0
M2= 50 × 400×0.5 = 40000g=40kg
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