Physics question about collisions?

On a modified atwood machine (such as this one: http://spiff.rit.edu/classes/phys311/workshops/w5b… suppose the hanging...

The escape velocity from planet A is double that for planet B. The two planets have the same mass.What is the ratio of t...

The free-fall acceleration at the surface of planet 1 is 22 m/s2. The radius and the mass of planet 2 are twice those of...

An archer shoots an arrow horizontally at a target 15 m away. The arrow is aimed directly at the center of the target, b...

A block with mass 0.5kg is forced against a horizontal spring of negligible mass, compressing the spring a distance of 0...

equal and opposite initial veloity collide perfectly elastically, using the given equation, what are the final velocitie...

As it pulls itself up to a branch, a chimpanzee accelerates upward at 2.3 m/s2 at the instant it exerts a 280-N force do...

Frequently, several capacitors are connected together to form a collection of capacitors. We may be interested in determ...

An experiment is conducted in which red light is diffracted through a single slit. Then, each of the following alteratio...

ok so my physics teacher was talking about the formula and i sorta... dosed off ( im a baaaad student =( . can't pay att...