(a) How much work does the gravitational force do on it from the initial point to point
A?
1
J
(b) How much work does the gravitational force do on it from the initial point to point
B?
2
J
(c) How much work does the gravitational force do on it from the initial point to point
C?
3
J
(d) If the gravitational potential energy of the coaster-Earth system is taken to be zero at point
C, what is its value when the coaster is at point
B?
4
J
(e) If the gravitational potential energy of the coaster-Earth system is taken to be zero at point
C, what is its value when the coaster is at point
A?
5
J
(f) If mass
m were doubled, would the change in the gravitational potential energy of the system between points
A and
B increase, decrease, or remain same?