If all life were destroyed on earth by a large impact, would new life eventually form to take its place? explain how conditions would have to change for life to start again on our planet.

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

A2-kg bowling ball is 2.5 meters off the ground on a post when it falls. just before it reaches the ground, it is traveling 7 m/s. assuming that there is no air resistance, which statement is true?

What is the energy of a photon of ultraviolet radiation with a frequency of 4.4 × 1015 hz? planck’s constant is 6.63 × 10–34