What is a magnet? (this is an actual question on my sister's test)

Aball is thrown upward in the air, and its height above the ground after t seconds is h ( t ) = 57 t − 16 t 2 feet. find the time t when the ball will be traveling upward at 14.25 feet per second.

Describe uniform velocity and variable velocity in short

Which of the following are considered noble gases? a. bromine b. neon c. argon d. chlorine