A 15 g bullet is shot into a 5.085 kg motionless wooden block. The block is on a frictionless surface and, after impact, slides at a speed of 1 m/s. Find the speed of the bullet in the beginning.

Which of the following is not am example of a polymer? protein nylon kevlar concreta

Wave functions describe orbitals in a hydrogen atom. each function is characterized by 3 quantum numbers: n, l, and ml. if the value of n = 2: the quantum number l can have values from to . the total number of orbitals possible at the n = 2 energy level is .

Aplane flying horizontally at an altitude of 1 mile and a speed of of 500mih passes directly over a radar station. find the rate at which the distance from the plane to the station is increasing when it is 2mi away from the station.