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Mach number is the ratio of velocity of source to the velocity of sound.
Mach Number = Velocity of Source / Velocity of Sound .
A LADDER OF LENGTH 4m weighing 300N is placed against vertical wall . the coefficient of friction between the wall and the ladder is 0.3.The ladder in addition to its own weight ha
SECOND DEFINITION OF IMPULSE: It can be described as, "The change in momentum produced by the force of impulse".
What is the change in temperature of water after falling over a 50.0-m-tall waterfall? Suppose that the water is at rest just before falling off and just after it reaches the b
Kirchhoff's law of radiation (G.R. Kirchhoff): The emissivity of a body is equivalent to its absorptance at the simialr temperature. Kirchhoff's laws (G.R. Kirchhoff)
WHAT IS THE FREQUENCY OF ULTRA SONICS
Lorentz Transformation: The postulate of STR is proposed by Einstein in 1905. The two postulates are: 1. Principle of equivalence: According to this "The laws of physics
A river is flowing 4.0 m/s to the east. A boater on the south shore plans to reach a dock on the north shore 30.0° downriver by heading directly across the river. a. What shoul
If you "bow" a string on a violin you hear a note with a frequency of 1020 Hz. If the length of the string is about 40cm, what is the "wave" on the string? Draw a diagram to show
what is inertia?
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