1.

A rocket is fired vertically from the earth with an acceleration of 2g, where g is the gravitational acceleration. On an inclined plane inside the rocket, making an angle theta with the horizontal, a point object off mass m is kept. The minimum coefficient of friction mu_m in between the mass and the inclined surface such that the mass does not move is:

Answer»

`TAN 2THETA`
`tan theta`
`3 tan theta`
`2 tan theta`

ANSWER :B


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