A long slender rod of mass 2 kg and length 4 m is placed on a smooth horizontal table. Two particles of masses 2 kg and 1 kg strike the rod simultaneously and stick to the rod after collision as shown in Fig
Velocity of the centre of mass of the rod after collision is |
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a) |
12 m/s |
b) |
9 m/s |
c) |
6 m/s |
d) |
3 m/s |
A long slender rod of mass 2 kg and length 4 m is placed on a smooth horizontal table. Two particles of masses 2 kg and 1 kg strike the rod simultaneously and stick to the rod after collision as shown in Fig
Velocity of the centre of mass of the rod after collision is |
|||||||
a) |
12 m/s |
b) |
9 m/s |
c) |
6 m/s |
d) |
3 m/s |
(c) Applying conservation of linear momentum,
|