v m/s A ball of mass 0.2 kg rests on a vertical post of height 5 m. A bullet of mass 0.01 kg, travelling with a velocity v m/s in a horizontal direction, hits the centre of the ball. After the collision, the ball and bullet travel independently. The ball hits the ground at a distance of 20 m and the bullet at a distance of 100 m from the foot of the post. The initial velocity v of the bullet is (2011) (a) 250 m/s (b) 250√2 m/s (c) 400 m/s (d) 500 m/s 0 20 100
v m/s A ball of mass 0.2 kg rests on a vertical post of height 5 m. A bullet of mass 0.01 kg, travelling with a velocity v m/s in a horizontal direction, hits the centre of the ball. After the collision, the ball and bullet travel independently. The ball hits the ground at a distance of 20 m and the bullet at a distance of 100 m from the foot of the post. The initial velocity v of the bullet is (2011) (a) 250 m/s (b) 250√2 m/s (c) 400 m/s (d) 500 m/s 0 20 100
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Transcribed Image Text:v m/s
A ball of mass 0.2 kg rests on a
vertical post of height 5 m. A
bullet of
of mass 0.01 kg,
travelling with a velocity v m/s
in a horizontal direction, hits
the centre of the ball. After the
collision, the ball and bullet
travel independently. The ball hits the ground at a distance of
20 m and the bullet at a distance of 100 m from the foot of the
post. The initial velocity v of the bullet is
(2011)
(a) 250 m/s (b) 250√2 m/s (c) 400 m/s (d) 500 m/s
0 20
100
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