A roller coaster starts from rest at the top of an 18-m hill as shown. The car travels to the bottom of the hill and continues up the next hill that is 10.0 m high. How fast is the car moving at the top of the 10.0-m hill, if friction is ignored?
A)6.4 m/s
B)8.1 m/s
C)13 m/s
D)18 m/s
E)27 m/s

Question

A roller coaster starts from rest at the top of an 18-m hill as shown. The car travels to the bottom of the hill and continues up the next hill that is 10.0 m high.  How fast is the car moving at the top of the 10.0-m hill, if friction is ignored?
A)6.4 m/s 
B)8.1 m/s 
C)13 m/s 
D)18 m/s 
E)27 m/s

Quizplus · Accepted Answer

The Answer of A roller coaster starts from rest at the top of an 18-m hill as shown. The car travels to the bottom of the hill and continues up the next hill that is 10.0 m high.  How fast is the car moving at the top of the 10.0-m hill, if friction is ignored?
A)6.4 m/s 
B)8.1 m/s 
C)13 m/s 
D)18 m/s 
E)27 m/s

A Roller Coaster Starts from Rest at the Top of an 18-M