An elevator is desceding order wth uniform acceleration. To measure the acceleration ,a person in the elevator drops a coin at the moment the elevator starts .The coin is 6 ft above the floor of the elevator at the time it is dropped . The person observes that the coin strikes the floor in 1 second . calculate from these data the acceleration of the elevator.
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Answer:
check the attachment.
Explanation:
relative acceleration downwards is (g-a) and upwards is (g+a).
Attachments:
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