13. How much work do you need to do if you use a force of 5 Newtons to move a table 10 meters? O 0.5 N-m
O 50 N-m
O 2 N-m
O 500 N-m

Astone is dropped with no initial velocity from the top of a cliff and hits the ground a time of 3.9 s later. what is the height of the cliff, in units of meters? you may assume that air resistance is negligible. give the answer as a positive number question 15 a figure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 200 o 20.9 12000 o 3.33

Hydrogen and helium are both members of?

The necleus of an atom is made up of what subatomic particles?