Acar moving with a velocity of 20 meters/second has
1.8 * 105 joules of kinetic energy. what is the mass of the car?

Which notation is used to represent an alpha particle? a. b. c. d.

The electric field between square plates of a parallel-plate capacitor has magnitude e. the potential across the plates is maintained with constant voltage by a battery as they are pulled apart to twice their original separation, which is small compared to the dimensions of the plates. the magnitude of the electric field between the plates is now equal to a)e b)e/4 c)e/2 d)4e e)2e

Acar travels 40m in 8 seconds find the car speed