Glider A,traveling at 10 M/s on an Air Track,collides Elastically

question 41

Multiple Choice

Glider A,traveling at 10 m/s on an air track,collides elastically with glider B traveling at 8.0 m/s in the same direction.The gliders are of equal mass.The final speed of glider B is

• A)8.4 m/s
• B)10 m/s
• C)8.0 m/s
• D)4.0 m/s
• E)12 m/s

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Definitions:

Absolute Threshold

The minimum intensity of a stimulus that is required for the stimulus to be detected at least 50% of the time.

Just Noticeable Difference Threshold

The minimum difference in intensity between two stimuli required for the difference to be detected at least half the time.

Ultraviolet

A type of electromagnetic radiation with wavelengths shorter than those of visible light but longer than those of X-rays.

Infrared

Electromagnetic radiation with wavelengths longer than those of visible light but shorter than those of microwaves, used in various technologies including remote controls and thermal imaging.