The atmosphere pressure at town A is 50cmHg. While at sea level the pressure is 76cmHg. Calculate the altitude of the town given that the density of air is 1.25Kg/m3

What happens to light when it strikes the inside surface of a smooth, curved mirror?

At the point of fission, a nucleus of ^235 u that has 92 protons is divided into two smaller spheres, each of which has 46 protons and a radius of 5.90 x 10 ^-15m. what is the magnitude of the repulsive force pushing these two spheres apart

What is the momentum of an 85 kg runner traveling at 8 m/s?