A car goes round a flat circular bend whose radius is 100 m at a constant speed of 30m/s. calculate its acceleration
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Answer:
a = 9 m/s²
Explanation:
A car goes round a flat circular bend whose radius is 100 m at a constant speed of 30m/s.
The speed of the car is constant doesn't mean velocity is constant. But it's magnitude is constant but it's direction changes continuously is circular motion. The above case can be considered as circular motion.
In circular motion, centripetal force acts towards the center which produces centripetal acceleration.
Centripetal acceleration = v²/r
a = 30×30/100
a = 9 m/s²
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