A .05kg ball is loaded into a 4.65kg launcher they are initially moving at 2 m/s. Soon after the ball is launched with a velocity of 647 m/s. What is the launchers velocity after the launch?

If a textbook weighs 37.2 n on venus, and the book has a mass of 4.4 kg, what is the strength of gravity on venus? 8.9 m/s28.9 m/si don't have enough information,9.8 m/s2

Ametal ball with a mass of 0.028 kg is dropped from rest at a height of 1.0 meters above the ground. assuming the energy in the ball is conserved, how much kinetic energy will the ball have when it is 0.5 meters above the ground?

How many times did thomas edison mess up the light bulb