A body of weight 14 g appears to weight 13 g when weighed by a spring balance in a moving lift. The acceleration of the lift at that moment was« Back to Previous Page
A. 0.5 m/sec2
B. 0.7 m/sec2
C. 1 m/sec2
D. 1 cm/sec2.
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B. 0.7 m/sec2 |
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