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Q. Illustrate what does hull speed mean?
Answer:-
Hull speed- It is the theoretical limit of a sail craft's speed. It is able to be approximated by the following formula
1.34 * SQRT (LWL), where LWL is the length of the waterline in feet.
As a little vessel approaches its hull speed the hull begins to climb its own bow wave. The earlier the vessel tries to go the further difficult climbing the bow wave becomes. Ultimately should the hull type permit it the hull will begin to hydroplane skimming across the water.
the weight of man is 50kg in earth what is weight of man 15% of its weight in moon
Q. Explain how Newton's ring can be obtained in the laboratory. Why Newton's rings are circular in shape? How the Newton's rings are used to find refractive index of liquid?
Huygens' construction; Huygens' principle (C. Huygens): The mechanical propagation of any wave (exclusively, of light) is equal to supposing that each point on the wavefront b
Power is to be supplied from a source whose resistance is 20 K ? to a load of 100 ?. Would you consider it as a constant voltage source or current source? Explain. Ans. G
The cantilevered beam below is supported at O. F1 and F2 in kN are given in P21 and P22 respectively and act on the beam as shown. Determine the magnitude and direction of a sing
It is an instrument used to view pure spectrum. It makes dispersion without deviation with the help of n crown prisms and (n - 1½ flint prisms alternately arranged in a tabular str
A thin convex lens of focal length 0.1m and a thin concave lens of focal length 0.1m are placed co-axially in contact. What is the total power of the combination?
Two point charges q and -q are splitted by distance 2l. Find the flux of electric field strength vector across the circle of radius R placed with its centre coinciding with the cet
what is vector triple product
As we know that"The electric potential at a certain point inside the electric field is defined as the amount of work done in bringing a unit positive test charge uniformly (without
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