Which of the following examples describes an increase in potential energy?
question 9 options:
a)
a paint can being carried up a ladder
b)
a roller coaster moving down the track
c)
a basketball falling through a net
d)
a bicycle going down a hill

answer:   you might love summer weather, but you don’t want it to feel like the sun is inside your car. but a hot car that just won’t seem to cool down might be a bigger of a problem than you think. your car relies on being at the right temperature.

explanation:

find the sum of the two horizontal vectors and the sum of the two vertical vectors

isoceles right angled triangle