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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.
A string of cross section 2cm2 is doubled in length by the application of a longitudinal force 2*10 5 dynes. The youngs modulus is
It is the phenomenon of emission of electrons from the surface of metals, when light radiations (Electromagnetic radiations) of suitable frequency drop on them. The emitted electro
Propagation of an Electromagnetic Wave Electromagnetic waves are waves that can travel by the vacuum of outer space. Mechanical waves, not like electromagnetic waves, need the
According to uncertainity stationary orbits are accepted or not?please give reason Ans) According to uncertainity stationary orbits are not accepted because according to station
ELECTRICAL MACHINES: Efforts are being made at present to develop electrical machines and transformers utilising super conductivity calculators. It shows that if we would use co
common lead acid battery faults: Careful treatment of lead acid batteries prevents damage and early failure, however, some common faults associated with lead acid batteries are
(a). Modulus of elasticity and modulus of rigidity are important parameters to measure mechanical properties of materials. With the aid of drawings, explain these parameters and gi
Amplitude: The maximum displacement of a body on either side of the mean position during simple harmonic motion is known as amplitude and it is shown by x.
Derive mathematical equation for an electromagnetic wave travelling in a charge free conducting medium in terms of electric field vector.
if in an interference pattern,the ratio between maximum and minimum intensities is 36:1,find the ratio between the amplitude and intensities of the two interfering waves.
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