jim exerts a force of 500 n against a 100kg deskthat does not move. george exerts a force of 400 n against a60 kg desk that moves 2 m in the direction of the push. mark exerts a force of 200 N against a 50 kg desk that moves 4 meters in the direction of the push. the most work done is

We have a colorless transparent liquid. it looks like water. we seperated it into a solid and a liquid by evaporration and condention was this a chemichal or a physical seperation a. chemical seperation b. physical seperation

What is a good example of instantaneous speed

Asap and show ! a 14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.