Thursday
April 24, 2014

Homework Help: Physics

Posted by Ariana on Sunday, April 7, 2013 at 8:59pm.

You drop a 1.60 kg book to a friend who stands on the ground at distance D = 12.0 m below. If your friend's outstretched hands are at distance d = 1.40 m above the ground (see the figure), (a) how much work Wg does the gravitational force do on the book as it drops to her hands? (b) What is the change ΔU in the gravitational potential energy of the book-Earth system during the drop?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Physics - Itís a beautiful winter day, and you and your friend are throwing ...
Microeconomics - Late in the semester, a friend tells you, "I was going to drop ...
physics - You and a friend are going to a river, where they have a rope swing. ...
Physics Correction - You drop a ball from a window on an upper floor of a ...
physics - You and a friend are going to a river, where they have a rope swing. ...
physics - When you push a 1.70 kg book resting on a tabletop it takes 2.60 N to ...
physics - When you push a 1.70 kg book resting on a tabletop it takes 2.60 N to ...
physics - You decide to experiment to measure the speed of sound. You have a ...
physics - You and your friend, both of mass 70 kg, are playing catch with a ...
physics - You and your friend, both of mass 70 kg, are playing catch with a ...

Search
Members