A small object of uniform density rolls up a curved surface with an initial velocity ‘v’. It reaches up to a maximum heights of 3v^2/4g with respect to the initial position. The object is

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A small object of uniform density rolls up a curved surface with an initial velocity ‘v’. It reaches up to a maximum heights of 3v^2/4g with respect to the initial position. The object is

Option A Disc
Option B Ring
Option C Solid sphere
Option D hollow sphere

Solution:Correct Option A
From the conservation of mechanical energy, we have:

i

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More Material

The refractive index of glass is $1.5$ . What is the speed of light in glass? Speed of light in vacuum is $3.0 \times 10^{\mathrm{A}} \mathrm{ms}^{-1}$ .

Consider interference between two sources of intensities I and 4I. What will be the intensity at points where phase differences are:

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State whether the following is true or false: The magnetic field inside a long circular coil carrying current will be parallel straight lines.

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A $-10 \Omega$
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