A 54 kg skier starts from rest at the top of a snow-covered hill, reaching a velocity of 12.0 m/s in 5.0 s. What is the net force acting in the skier?

Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.

What does si stand for,when referring to a system of measurement

The energy equivalent of the rest mass of an electron is