If a system is isolated, the total energy of the system if a system is isolated, the total energy of the system depends on the work into the system. increases constantly. depends on the work out of the system. is constant. decreases constantly.

Gunpowder residue is most likely to show up where on a shooters hands

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

M1 = 2.8 kg, m2 = 6.72 kg, m3 = 11.2 kg, byas in .is ,is .toof m3 it 0.91 m. (in m/s)