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An elevator ascends with an upward acceleration of 4.0-ft/s2. At the instant its upward speed is 8.0 ft/s, a loose bolt drops from the ceiling of the elevator 9.0 ft from the floor. Calculate (a) the time of flight of the bolt from ceiling to floor and (b) the distance it has fallen relative to the elevator shaft.
 

Amit Saxena , 9 Years ago
Grade upto college level
anser 1 Answers
Navjyot Kalra

Last Activity: 9 Years ago

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Therefore, the time after which the bolt hits the elevator is 0.70 s .
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The negative sign highlights the fact that the bolt move downwards.
Therefore, the distance by which the bolt has fallen relative to elevator shaft is 2.3 ft .

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