A body is thrown up in a lift with a velocity ‘u' relative to the lift and the time of flight is found to be ‘t'. the acceleration with which the lift is moving up will be a
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Assuming the question is complete, the acceleration of the lift will be constant in the above question.
Generally, the basic vector and scalar quantities of kinematics viz. speed, displacement and acceleration are dependent on the frame of reference. There are two such frames: inertial and non-inertial.
When the frame is stationary, it is referred to as an inertial frame. However, if the frame also begins to accelerate, it is called as a non-inertial frame.
The above question requires the lift to be an inertial frame. This can be achieved if the acceleration of the lift is constant.
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