Who discovered that sunlight is made of all the colors of the rainbow?
a. newton
c. kepler
b. galileo
d. brahe

What is relative velocity? in which condition is relative velocity known by adding the velocity of the first body and that of the second body

Determine el momento angular de un rueda de 3000g moviendose a 10m/s con un radio de giro de 400cm

Amoving electron has kinetic energy k1. after a net amount of work w has been done on it, the electron is moving one-quarter as fast in the opposite direction. (a) find w in terms of k1. (b) does your answer depend on the final direction of the electron's motion?