According to the law of conservation of matter, the number of is not changed by a chemical reaction.
atoms
bonds
products
molecules

The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane

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?