In order to keep a leaking ship from sinking, it is necessary to pump 12.0 lb of water each second from below deck up a height of 2.00 m and over the side. What is the minimum horse- power motor that can be used to save the ship?

Modify the equation fδt=δ (mv) to find the force of friction.

Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves

Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive