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The value to be used for IITJEE is 109678 per meter.

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figure

The contact angle is the angle at which a liquid/vapor interface meets the solid surface.

H=2Tcos x / dgr

where :
T=surface tension
x=contact angle
d=density of liquid
r=radius of tube

Torricellis Theorem states that:
The speed of efflux of a liquid from an opening in a reservoir equals the speed that the liquid would acquire if allowed to fall from rest from the surface of the reservoir to the opening.

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dont know much about VMC

Q.Two particles,carrying charges -q and +q and having equal mass m are fixed at the ends of a light rod of length 'a' to form a dipole.the rod is clamped at an end and is placed in a uniform electric field E with the axis of the dipole along the electric field.The rod is slightly tilted and then released .Neglecting gravity,find the time period of small oscillations.

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page 199,Q-70

Velocity at highest point=V+

r=V+V=2V
=2X25
=50 m/s

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FIITJEE RSM 2-yr version

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