A force of 660 n stretches a certain spring a distance of 0.300 m. what is the potential energy of the spring when a 70.0 kg mass hangs vertically from it?

Deep sea divers wear diving suit give reason

How could you increase the sliding friction between the sled and track? How could you decrease it?

8. A book is pushed a distance of 0.78 m by a force that gives the book an acceleration of 1.54 m/s². If 1.56 J of work is done on the book, what is the book's mass?

A rock displaces 1.65 L of water. the volume of the Rock is?

How do we determine the number of protons an element has

When considering different hypothesis usually the scientific explanation which can account for all the is

Similarities between mechanical and electromagnetic waves are

Suppose you're given the formula r = s 2t. if you know that s is three times greater than t, how could you rewrite the formula

A merry-go-round rotates with a centripetal acceleration of 15 m/s2. If the outer horses are 7 m from the center of the ride, what is their velocity? O A. 11.8 m/s O B. 10.2 m/s O O C. 9.6 m/s D. 8.4 m/s

Which is not a part of the walking mechanism of the human body? a rigid bar a fulcrum a resistance a gear