Please select a subject first
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Two capillary tubes of radii 0.6 cm and 0.3 cm are dipped in the same liquid. The ratio of heights through which the liquid will rise in the tubes is ______.
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The average energy per molecule is proportional to ______
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What is the surface film?
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What are cohesive forces?
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State properties of an ideal fluid.
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Does the angle of banking depend on the mass of the vehicle?
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During ice ballet, while in the outer rounds, why do the dancers outstretch their arms and legs.
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A hollow sphere has a radius of 6.4 m. what is the minimum velocity required by a motorcyclist at the bottom to complete the circle.
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A bend in a level road has a radius of 100m. find the maximum speed which a car turning this bend may have without skidding if the coefficient of friction between the tires and road is 0.8.
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Derive an expression for maximum safety speed with which a vehicle should move along a curved horizontal road. State the significance of it.
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A bucket containing water is tied to one end of a rope 5 m long and it is rotated in a vertical circle about the other end. Find the number of rotations per minute in order that the water in the bucket may not spill.
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A body weighing 0.5 kg tied to a string is projected with a velocity of 10 m/s. The body starts whirling in a vertical circle. If the radius of the circle is 0.8 m, find the tension in the string when the body is at the top of the circle.
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Derive an expression for the kinetic energy of a rotating body with uniform angular velocity.
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A railway track goes around a curve having a radius of curvature of 1 km. The distance between the rails is 1 m. Find the elevation of the outer rail above the inner rail so that there is no side pressure against the rails when a train goes around the curve at 36 km/hr.
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What is a conical pendulum? Obtain an expression for its time period
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Obtain an expression for maximum safety speed with which a vehicle can be safely driven along a curved banked road.
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If the absolute temperature of a body is doubled, the power radiated will increase by a factor of ______
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Show that for monoatomic gas the ratio of the two specific heats is 5:3.
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Show that for diatomic gas the ratio of the two specific heats is 7:5.
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An electric current in an LC – circuit at resonance is called - ______
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