Find the displacementcovered by the bolt during the free fall in the reference frame fixed to the elevator shaft.
0.7m
1.7m
2.7m
3.7m
A
1.7m
B
2.7m
C
0.7m
D
3.7m
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Solution
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Given a=1.2,t′=2 Let t be the time taken by bolt to reach floor after 2s ,by covering distance x So, in the same time t elevator move upward by distance 2.7−x With frame of reference fixed to elevator shaft, initial velocity of bolt =at′=1.2×2=2.4m/s
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Find the displacementcovered by the bolt during the free fall in the reference frame fixed to the elevator shaft.
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