Two Vehicles Approach a Right Angle Intersection and Then Collide

question 15

Multiple Choice

Two vehicles approach a right angle intersection and then collide.After the collision,they become entangled.If their mass ratios were 1: 4 and their respective speeds as they approached were both 13 m/s,find the magnitude and direction of the final velocity of the wreck.

• A)13.1 m/s at 79°
• B)16.3 m/s at 79°
• C)12.5 m/s at 79°
• D)15.7 m/s at 79°

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Definitions:

Accurate

Free from errors or mistakes; precise and correct in details.

Cent

The smallest denomination of many currencies, representing 1/100th of the currency's main unit.

Percent

A ratio or fraction calculated out of 100, used to indicate portions of a whole.

Percent

A rate, number, or amount in each hundred; a fraction of a whole expressed in hundredths.