A railway truck of mass 16000 kg moving ...

A railway truck of mass `16000 kg` moving with a velocity of `5ms^(-1)` strikes another truck of mass `4000 kg` at rest. If they move together after impact, their common velocity is

`2ms^(-1)`

`4ms^(-1)`

`6 ms^(-1)`

`8ms^(-1)`

Text Solution

Verified by Experts

The correct Answer is:

`vec(v) = (m_(1)vec(u_(1))+m_(1)vec(u_(2)))/(m_(1)+m_(2))`

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