What is the radius of the turn of the angle is 20 degrees. ( assuming the...

Question

Question

What is the radius of the turn of the angle is 20 degrees. ( assuming the car continues in uniform circular motion around the turn?

Answer 1

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Answer #1

We know

F_net = F_centripetal

mg tan θ= mv²/r

==> g tan θ= v²/r

==> Radius r = v²/g tan θ

Velocity v = 65 km/hr = 65 x 5/18 m/s = 18.05 m/s

So radius r = 18.05²/ (9.8 x tan 20°)

= 325.80/3.56

= 91.51 metres

Answer 2

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