a particle is moving on a circular track of radius 20 cm with a constant speed of 6m/s. then what is the acceleration?
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- Since the particle is moving in circular track it possesses centripetal acceleration
- centripetal acceleration =(v^2)÷r
- v=6m/s
- r=20cm=0.2m
- centripetal acceleration =(6×6)÷0.2=36÷0.2=180m/s^2
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