A bullet of mass 7g is fixed into a block weighing 7kg which is free to move calculate initial velocity of bullet if the velocity of block with bullet side is 0.7m/s
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can u tell the formula
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The answer is 70070 m/s. You have conserved the momentum correctly. Please recheck the answer given. I know my answer does not help but I believe you are not wrong in your calculation.
If anyone feels my my approach is wrong feel free to correct me.
Explanation:
The ratio of masses of the block and bullet is. 7 kg / 7g = 1000.
Hence the initial velocity must be 1000 times the final velocity .
That is 7070,000000 m/s.m/s.
Your answer is correct
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