A race car travels with a constant tangential speed of 81.3 m/s around a circular track of radius 678 m.
A race car travels with a constant tangential speed of 81.3 m/s around a circular track of radius 678 m. Find the magnitude of the total acceleration.
Homework Answers
Car moves in a circular path of radius678m with constant speed of81.3m/s
So there is no tangential acceleration
There is only radial acceleration
Radial acceleration =v^2 /r
=(81.3^2/678)m/s^2
=9.75m/s2 acting towards the center
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