AP Physics 1easymcq1 pt
A car travels at a constant speed of 20 m/s around a circular track with a radius of 50 m. What is the magnitude of the car's centripetal acceleration?
A.0.4 m/s²
B.4 m/s²
C.8 m/s²
D.10 m/s²
Explanation
Core Concept
Centripetal acceleration is calculated using the formula ac = v²/r. Substituting the given values: ac = (20 m/s)² / 50 m = 400/50 = 8 m/s².
Correct Answer
C8 m/s²
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