Physics
Nyreen231
2021-03-20 07:14:42
A 1.0 × 10^3-kilogram car travels at a constant speed of 20. meters per second around a horizontal circular track. The diameter of the track is 1.0 × 10^2 meters. The magnitude of the car’s centripetal acceleration is (1) 0.20 m/s2 (3) 8.0 m/s2 (2) 2.0 m/s2 (4) 4.0 m/s2
ANSWERS
TillieSproul595
2021-03-20 12:13:54

Centripetal acceleration can be calculated with the formula F=v^2/r Substituting the values in, we get: a=20^2/50 =8 Therefore the magnitude of the centripetal acceleration of the car is 8 ms^-2

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