We are wanting to measure a football punt for its downward acceleration. The ball is kicked with 25N worth of energy and on its way down faces 5N of air resistance. The football has a mass of 2kg. What is its acceleration?​

Which is an example of gaining a static charge by conduction? a) rubbing a balloon against your hair. b) shuffling your shoes across a carpet. c) bringing a charged rod near an electroscope. d) touching your car on a cold day and getting a shock.

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

Which two particles are found in the center of an atom