Asmall 16 kilogram canoe is floating downriver at a speed of 4 m/s. what is the canoe's kinetic energy?

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 subatomic particle has a negative charge

Does anyone have the answers to online physics course plato course physics, semester a v3.0