The Speed of a Particle Moving in a Circle 2

question 39

Multiple Choice

The speed of a particle moving in a circle 2.0 m in radius increases at the constant rate of 4.4 m/s². At an instant when the magnitude of the total acceleration is 6.0 m/s², what is the speed of the particle?

• A) 3.9 m/s
• B) 2.9 m/s
• C) 3.5 m/s
• D) 3.0 m/s
• E) 1.4 m/s

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Definitions:

Trusting

The attitude or disposition to believe in the reliability, truth, ability, or strength of someone or something.

Parenting Styles

Different approaches to raising children characterized by various combinations of responsiveness and demandingness.

Responsiveness

The quality of reacting quickly and positively, especially to stimuli or treatment.

Demandingness

The degree of strictness or expectation imposed by a task or individual.