Question

two bullets of mass 250g.travelling in opposite directions with a speed of 500m/s and 250m/s colloide with a stationary block of mass 12kg.if the bullets stick to the block and all of them move together ,find the final velocity of the system.assume the surface to be frictionless

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Answer 1

Answer:

15m/s

Explanation:

Answer 2

Answer:

Here, two balls each of mass 0.25 kg are moving towards each other than in a straight line, one at 3ms

−1

and the other at 1ms

−1

collide and the balls stick together after the collision, hence

m

1

u

1

−m

2

u

2

=(m

1

+m

2

)v

(0.25)(3)−(0.25)(1)=(0.25+0.25)v

(0.75)−(0.25)=(0.5)v

v=1ms

−1