Recent content by csharsha

Homework Statement When a rifle is fired horizontally at a target P on a screen at a range of 25 m, the bullet strikes the screen at a point 5.0 mm below P. The screen is now moved to a distance of 50 m and the rifle again fired horizontally at P in its new position. Assuming that air...

Homework Statement A binary star system consists of a star P and a star Q, of mass 4.0 x 10^10 kg and 2.0 x 10^10 kg respectively, separated 6.3 x 10^9 m apart. Star P and Star Q move in circular orbits with their centers at the center of mass which remains at rest. Find the position of...

I was wondering about the types of kinetic energies that exist. Is it true that there are 3 types - vibrational, translational and rotational? If so what is random kinetic energy? Is random KE = vibrational + translational + rotational ? Thanks !