Which of the following is an exa example of a wave

The position of a crate sliding down a ramp is given by x=(0.05t^3) m, y=(1.7t^2) m, z=(6−0.85t^5/2) m, where t is in seconds. (a) determine the magnitude of the crate's velocity when t = 2 s. (b) determine the magnitude of the crate's acceleration when t = 2 s.

If a balloon is taken outside on a very cold day, what will occur?

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical