Machine gun mounted on car is firing 30 bullets per minute onto the truck moving with speed 90 km/hr. The car is chasing truck with speed 180 km/hr. Numbers of bullet hitting the truck per min is:(Speed f bullet with respect to ground = 300 m/s)
Text Solution
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CHECK THE SOLUTION.
(0033)
Sol. Time between firing of two bullets = 2 sec
Distance between two consecutive bullets
= 500 m
Time taken by one bullet getting into truck
just after a bullet hits the truck
t = 
sec
Bullet hitting the truck per sec
= 
× 60
= 33
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