5) a 5 kg watermelon is raised 3 m by carrying it up the stairs to the second
floor. if g is 10 m/s”, what is the potential energy gain of the watermelon?

Can somebody explain to me how newton's 3rd law relates to momentum? ~ap physics 1

State the following: boyle's law and charle's law

The field between two charged parallel plates is kept constant. if the two plates are brought closer together, the potential difference between the two plates either a) decrease b) does not change c) increase?