The String in the Figure Is 50 Cm Long

question 16

Multiple Choice

The string in the figure is 50 cm long. When the ball is released from rest, it swings along the dotted arc. How fast is it going at the lowest point in its swing?

• A) 2.0 m/s
• B) 2.2 m/s
• C) 3.1 m/s
• D) 4.4 m/s
• E) 6.0 m/s

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Definitions:

Distorting Goggles

Eyewear that alters perception, often used in experiments to illustrate how vision or perception can be easily manipulated.

Human Perception

The process by which humans interpret and make sense of sensory information from the environment.

Gains the Ability to See

The development or restoration of the capacity for vision or sight.

Lightness Constancy

The visual perception phenomenon whereby the perceived color or brightness of objects remains constant despite changes in illumination.