Part 1: Include your answers to questions 1-4 and any important facts about the cause and types of water erosion.

Part 2:
Include your answers to questions 1-7 and any important facts about the effects of water erosion through your research.

Part 3:
Include a visual display and any sources used when conducting your research.

Astone is dropped from the upper observation deck of a tower, 250 m above the ground. (assume g = 9.8 m/s2.) (a) find the distance (in meters) of the stone above ground level at time t. h(t) = (b) how long does it take the stone to reach the ground? (round your answer to two decimal places.) s (c) with what velocity does it strike the ground? (round your answer to one decimal place.) m/s (d) if the stone is thrown downward with a speed of 2 m/s, how long does it take to reach the ground? (round your answer to two decimal places.) s

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?

Acircular ring of charge with radius b has total charge q uniformly distributed around it. what is the magnitude of the electric field at the center of the ring? 0 keq/b2 keq2/b2 keq2/b none of these answers