A roller coaster has 8 cars, each of mass of

95.0kg

. The first hill of the ride is

24.8m

above the ground. Which of the following is the gravitational potential energy of the train once the last car had reached the top of the hill?\ Select one:\ a.

2.31\\\\times 10^(4)J

\ b.

1.85\\\\times 10^(5)J

\ c.

-2.31\\\\times 10^(4)J

\ d.

-1.85\\\\times 10^(5)J

A roller coaster has 8 cars, each of mass of 95.0kg. The first hill of the ride is 24.8m above the ground. Which of the following is the gravitational potential energy of the train once the last car had reached the top of the hill? Select one: a. 2.31104J b. 1.85105J c. 2.31104J d. 1.85105J