I) The energy stored in wound watch spring is a) K. E
b) P. E
c) Heat Energy
d) Chemical Energy

State one advantage and one disadvantage of using a plane mirrior as a driving mirrior

The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is as it changes into other forms of energy.

Use the ratio form of kepler’s third law, = , and the data provided to determine the time it takes mars to orbit the sun. round your answer to the nearest tenth. earth’s orbital period = 1.0 earth year earth’s distance from the sun = 1.0 au mars’s distance from the sun = 1.5 au it takes mars about ⇒ 1.8 earth years to orbit the sun.