What is the magnitude of Hunter the dog's centripetal acceleration when he runs along a circular path of radius 2.0 meters with a tangential speed of 2.2 meters/second? A. 2.2 meters/seconds
B. 4.4 meters/seconds
C. 1.1 meters/seconds
D. 2.4 meters/seconds

The mass of a bowling ball is 10 kg and the mass of a ping pong ball is 0.015 kg. if the two objects are 5 meters apart, what is the gravitational force ?

Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.

What is the increase in density of a medium due to wave travel?