Misconception NGM045:

Hills are speed booster, which means that the speed of a ball after rolling over a hill is greater than the speed of the ball before reaching the hill (Duit, 1981).

Items that test for misconception NGM045 in this key idea (Regardless of what happens within a…)
Item ID
Number

Item Description

How Often the Misconception was Chosen

Select This Item for My Item Bank

NG086002

Assuming no energy transfer between a roller coaster car and the track it is moving in or between the car and the air around it, all of the hills that a roller coaster car can get over must be lower than the height of the starting point.

12%