A car goes round a curve of radius 100 m at 25 m/sec. The angle to the – McqOptions

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1.	A car goes round a curve of radius 100 m at 25 m/sec. The angle to the horizontal at which the road must be banked to prevent sideways friction on the car wheels is tan”1 x, where x is (Assume g = 10 m/sec2)_____________________?
A.	3/8
B.	1/2
C.	9/5
D.	5/8
Answer» E.

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