Answer to Question #86972 in Physics for Maria

Question

In a certain library, the first shelf is 12.0 cm off the ground, and the remaining four shelves are each spaced 38.0 cm above the previous one.
If the average book has a mass of 1.70 kg with a height of 20.0 cm, and an average shelf holds 21 books (standing vertically), how much work is required to fill all the shelves, assuming the books are all laying flat on the floor to start?
Express your answer to three significant figures and include the appropriate units.

Answer 1

Dear Maria, your question requires a lot of work, which neither of our experts is ready to perform for free. We advise you to convert it to a fully qualified order and we will try to help you. Please click the link below to proceed: Submit order