Critical Thinking Questions - Part II 1. Restate Newton's first law in terms of (a) acceleration and (b) change in velocity.

Anyone please help ASAP15 points

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

What happens to an isotope during radioactive decay?

Explain what will happen if decomposers were apsent from a forest ecoysystem.