Which property describes the amount of energy that flows past a given area per unit of time

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.

Which of these metals are magnetic?

What does every magnet possess? a. iron metal b.strong magnetic field c.repulsion d.north and south poles