Max (15 kg) pushes maya (12 kg) on a swing so that maya moves in simple harmonic motion. the swing is 1.8 meters long and has a mass of 4 kg, concentrated in the seat. if maya and the swing form a simple pendulum, what is the period of maya's motion?

Amira pulls a 3 pound wagon 4 feet. how much work has she done?

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.

The ability to make things happen is also called a. heat b. force c. matter d. energy