The work done is equal to the change in potential energy which is:
P.E = mgh
P.E = 500 x 9.81 x 15
P.E = 73,575 J
Power = work / time
Power = 73,575 / 20
Power = 3,700 Watts
The two units are Inches of Mercury and Millibars
Hi , a class 2 lever has the load between the force and the fulcrum .So a stapler is a good example.
I'm pretty sure that its A. collapse of an Interstellar cloud.
The file is blank!
*Explanation:* maybe add another?
