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0 votes
11.7k views
in Physics by (79.0k points)

A car of mass 1000 kg negotiates a banked curve of radius 90 m on a frictionless road. If the banking angle is 45° the speed of the car is

(a) 20 ms-1

(b) 30 ms-1

(c) 5 ms-1

(c) 10 ms-1

1 Answer

+1 vote
by (76.3k points)
selected by
 
Best answer

Correct option (b) 30 ms-1

Explanation:

Here, m= 1000 kg, R =  90 m,  θ = 45°

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