At the circus, a 100-kilogram clown is fired 15 meters per second from a 500-kilogram cannon. what is the recoil speed of the cannon?

True or false: the revolution of the earth creates day and night as it rotates around the sun

At time t=0, a particle is located at the point (3,6,9). it travels in a straight line to the point (5,2,7), has speed 8 at (3,6,9) and constant acceleration 2i−4j−2k. find an equation for the position vector of the particle.

An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?