| A bail bearing was released on a curved slope as shown here. As the ball bearing moved, its kinetic energy was calculated and plotted on the graph as shown. |
| Which point on the graph shows the kinetic energy of the bail bearing when it was at the lowest point of the slope for the first time? |
A) W
B) X
C) Y
D) Z
Correct Answer: A
Solution :
Kinetic energy of an object is the energy that it possesses due its motion. When ball bearing comes at the lowest point of the slope, it will have maximum kinetic energy by which it can move further up the slope. This kinetic energy is denoted by 'W' in the graph.
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