The dobler affect is used up baseball games to measure

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

Which composition of water moves to begin a deepwater current?

Wind and moving water provide energy. question 1 options: chemical mechanical thermal none of the above