A 1000 kg car travels around an unbanked curve on a wet road when the coe¢...

Question

Question

A 1000 kg car travels around an unbanked curve on a wet road when the coe¢ cient of friction is 0:54. If the radius of the curve is 170 m, what is its maximum speed without skidding?

(a) 23 m/s (b) 30 m/s (c) 12 m/s (d) 8.8 m/s (e) 5.9 m/s
Calculate the length of a pendulum whose period is 1:2 s.

(a) 0.78 m (b) 0.95 m (c) 0.60 m (d) 0.36 m (e) 0.49 m

Answer 1

Answer #1

Answer 2

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