Which best describes a wave?
a) a collision of particles
b) a disturbance that carries energy
c) a movement of fluids
d) a group of electrically charged molecules

Aball is thrown straight up into the air with a speed of 21 m/s. if the ball has a mass of 0.1 kg, how high does the ball go? acceleration due to gravity is g = 9.8 m/s^2. a. 22.5 m b. 20.0 m c. 25.0 m d. 17.5 m

What is the power rating of the lightbulb if 3.0 a flow through it when connected to a 15 v battery

You can decrease the resistance of a length of wire by