Which chemical equation follows the law od conversation

Which units can be used to measure length or distance? check all that apply. gram meter kilometer liter inch

If the speed of a particle triples ,by what factor does its kinetic energy increase?

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.