Abaseball player throws a baseball. the ball traveled 35 yards before it landed on the ground. the ball stayed in the air for 3.8 seconds. what is the average speed of the ball?

Hen a gfci receptacle device is installed on a 20-ampere branch circuit (12 awg copper), what is the minimum volume allowance (in cubic inches) required for conductor fill for each conductor in the outlet box?

Which statement correctly describes the interaction between magnetic poles? north and south poles attract each other. north and south poles repel each other. two north poles will attract each other. two south poles will attract each other.

What happens when the number of protons in an atom changes