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QNEET-2013-Ph-1578: NEET 2013 Physics - Class 11 NEET-2013-Ph-1578 Solution: A car is moving in a circular horizontal track of radius 10 m…

A car is moving in a circular horizontal track of radius 10 m with a constant speed of 10 m/s. A bob is suspended from the roof of the car by a light wire of length 1.0 m. The angle made by the wire with the vertical is π3\frac{\pi}{3} π6\frac{\pi}{6} π4\frac{\pi}{4} 0∘0^\circ

Multiple Choice Options

  • A π3{\pi \over 3} 3 � _
  • B π6{\pi \over 6} 6 � _
  • C π4{\pi \over 4} 4 � _
  • D 0 o

Step-by-Step Verified Solution

Let _ is the angle made by the wire with the vertical. _ tan _ _ = v 2 r g Here, v = 10 m/s, r = 10 m, g = 10 m/s 2 _ tan _ _ = ( 10 m / s ) 2 10 m ( 10 m / s 2 ) = 1 _ = tan _ 1 ( 1 ) = � 4

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