A torch is dropped down a large chasm. It takes 10 seconds to hit the ground. How deep is the chasm? 490m
49m
98m
980m

Let f(x) = x4- 8x2 . find the relativeextrema of this function using the second derivative test.

1. a net force of 100 newton’s is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of

When you jump from an elevated position you usually bend your knees upon reaching the ground. by doing this, you make the time of the impact about 10 times as great as for a stiff-legged landing. in this way the average force your body experiences is a) less than 1/10 as great. b) more than 1/10 as great. c) about 1/10 as great.d) about 10 times as great.