P=25 watts
w=5000 joules
t=?
what is time

Simple machines can a. increase force only b. decrease force only c. increase or decrease force

Which car has the most kinetic energy? a. a car of mass 1000 kg with a speed of 3 m/s b. a car of mass 2000 kg with speed 7 m/s c. a car of mass 1000 kg with speed 7 m/s d. a car of mass 2000 kg with speed 3 m/s

How to calculate voltage drop in a series circuit