A Particle Moves Along a Circular Path Having a Radius

question 71

Multiple Choice

A particle moves along a circular path having a radius of 2.0 m. At an instant when the speed of the particle is equal to 3.0 m/s and changing at the rate of 5.0 m/s², what is the magnitude of the total acceleration of the particle?

• A) 7.5 m/s²
• B) 6.0 m/s²
• C) 5.4 m/s²
• D) 6.7 m/s²
• E) 4.5 m/s²

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