A point p is on a rim of a wheel of radius 2.0m. at time t0, Ask an Expert

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Q1. A point P is on a rim of a wheel of radius 2.0m. At time t=0 wheel is at rest and P is on the x-axis. The wheel undergoes a uniform angular acceleration of 0.01 rad/s2 about the center O. Find out the time t, when P returns to an original position on the x- axis.

Q2. In order to clearly read a book 20 cm away, farsighted girl needs an image to be 32 cm from her eyes. What focal length is essential for the lens in her eyeglasses?

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