At an Instant When a Particle of Mass 50 G

question 44

Multiple Choice

At an instant when a particle of mass 50 g has an acceleration of 80 m/s² in the positive x direction, a 75-g particle has an acceleration of 40 m/s² in the positive y direction. What is the magnitude of the acceleration of the center of mass of this two-particle system at this instant?

• A) 60 m/s²
• B) 56 m/s²
• C) 40 m/s²
• D) 50 m/s²
• E) 46 m/s²

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Definitions:

Fractions

Number expressions of one or more equal parts of whole units.

Improper Fractions

Improper fractions are fractions where the numerator (the top number) is greater than or equal to the denominator (the bottom number), representing a value equal to or greater than one.

Mixed Numbers

A number consisting of an integer and a proper fraction.

Improper Fractions

Fractions where the numerator is greater than or equal to the denominator, resulting in a value greater or equal to one.