You drive a race car around a circular track of radius 300 m at a constant spe 108 km/h. your acceleration will be: a) 39.9 m/s b) 9.8 m/s c) 3.0 m/s d) 0.36 m/s

C

Explanation:

Centripetal acceleration is:

a = v² / r

First, convert km/h to m/s:

108 km/h × (1000 m / km) × (1 h / 3600 s) = 30 m/s

Therefore, the acceleration is:

a = (30 m/s)² / 300 m

a = 3 m/s²

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