How is soil different from crushed rock? a. soil forms through leaching whereas crushed rock forms due to erosion. b. only soil holds water, only crushed rock holds air. c. soil contains humus whereas crushed rock does not. d. soil is composed of weathered parent material whereas crushed rock is not?

Using a wheel and axle, a farmer is trying to lift a bucket of water from the bottom of a well. the larger wheel has a radius of 40 cm compared to the axle that has a radius of 10 cm. if a bucket of water is 50 n, then how much effort is required to raise it? 12.5 n 200 n 2 n 500 n

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.

The dot diagram represents the motion of the motorcycle as it moves from left to right