1. A ball is dropped over the edge from the roof of a tall building. It takes 5.0 seconds to reach the ground. How high was the building?
(Answer this based on your results from the lab!)

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أحتاج شرح , لطريقة حل هذا السؤال ؟


2. A "seconds pendulum" is one that moves through its equilibrium position once each second. (The period of the pendulum is precisely 2 sec.) The length of a seconds pendulum is 0.9927 m at Tokyo, Japan, and 0.9942 m at Cambridge, England. What is the ratio of the free-fall accelerations at these two locations?

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وحل لهذا السؤال . .

مع العلم إني في حاجه ملحه جداً , وفي كرب . .

فرج الله عن من فرج عنا , وكان الله في عون العبد . . ما كان العبد في عون أخيييييييييه :)