A remote control cars wheels initially rotate every 0.57 seconds. It the goes for 3 complete turns. What is the wheels angular speed?

Determine the fraction of the magnitude of kinetic energy lost by a neutron (m1 = 1.01 u) when it collides head-on and elastically with a target particle at rest which is 21h (heavy hydrogen, m = 2.01 u).

The two required components for a generator are

Asystematic approach to problem solving is called a (an)