Akid is on a stationary sled, on
snowy ground with pls = 0.125.
it takes 61.2 n of force to set
the sled moving. what is the
mass of the kid and sled?
(unit = kg)

Although light from the sun appears white, it is actually made up of a lot of different colors. this portion of the electromagnetic spectrum, we call white light is referred to as within the electromagnetic spectrum.

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change? work power gravitational energy chemical energy