Physics
posted by Bob .
An Indy car with a speed of 120 km/h goes around a level, circular track with a radius of 1 km. What is the centripetal acceleration of the car (in m/s/s)?

Physics 
Elena
a = v²/R,
where
v = 120 km/h = 120000/3600 m/s=33.3 m/s, R = 1000 m
a =1.35•10^7 m/s²
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