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A 60 kg tiger springs at hunter with a ...

A 60 kg tiger springs at hunter with a velocity of `10 m//s` the hunter possesses a machine gun that can fire 50 g bullets with a velocity of `150 m//s`. the hunter can save himself from the tiger by firing suitable number of bullets/sec into the tiger.read the above passage and answer the following questions:
(i) What principal is involved here?
(ii) How many bullets/sec. must the hunter fire into the tiger?
(iii) What lessons do you learn from this?

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