An Object Moving at a Constant Speed Requires 6

question 45

Multiple Choice

An object moving at a constant speed requires 6.0 s to go once around a circle with a diameter of 4.0 m. What is the magnitude of the instantaneous acceleration of the particle during this time?

• A) 2.2 m/s²
• B) 2.7 m/s²
• C) 3.3 m/s²
• D) 3.8 m/s²
• E) 4.4 m/s²

---

Definitions:

Arteriosclerosis

A condition characterized by the thickening, hardening, and loss of elasticity of the walls of arteries.

Arteries

Blood vessels that carry oxygen-rich blood away from the heart to various parts of the body.

Elasticity

The ability of an object or material to resume its normal shape after being stretched or compressed, often referring to skin or other tissues in the human body.

Stroke

A medical condition that occurs when the blood supply to part of the brain is interrupted or reduced, causing brain cells to die.