Question

a grade8 students is holding her science textbook that has mass of 1,000 grams. She holds it out classroom window, which is 3.5 meters above the ground. After some time she releases it.

a. How much did the students do by holding the textbook out of the classroom window?
b. How much work is done by the force of gravity when the book was released?

Answer 1

Answer:

Answer is b

Explanation:

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