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The string of a pendulum is horizontal. Mass of the bob is m. Now the string is released, what is the tension in the string at lowest position Ans) If string length is L, Conserving energy, velocity at lowest point is (2gL)1/2 Centripetal force mv2/L= 2mg. T- mg= mv2/LT= 3mg
1. How fast must an object travel for its total energy to be (a) 1% more than its rest energy and (b) 99% more than its rest energy. 2. A proton is moving with a constant speed
A laser beam from 200 watt source is focused on an area of 10 -8 m 2 . Determine the magnitude of the Pointing vector of the area.
Q. Explain Michelson Morley Experiment? The Michelson Morley experiment was an attempt to detect the velocity of earth with respect to the aluminiferous ether, a medium in spac
Q. The radioactive isotope 84Pa214 undergoes a successive disintegration of two α decays and two β decays. Find the atomic number and the mass number of the resulting isotope.
Who are the best fiber optics manufacture? To single out a company would be grossly unfair since in such business the players are, usually, respected industrial corporations wi
In accrued model of a rotating diatomic molecule of (Cl 2 ), the two Cl atoms are 2.00´ 10? -10 m apart and rotate about their center of mass with angular speed w = 2.00 ´10 12 ra
If Joe rides his bicycle in a straight line for 15 min with an average velocity of 12.5 km/h south, how far has he ridden?
1. Consider the centripetal acceleration due to the earth's spin for a CWRU student sitting in Strosacker auditorium. [The radius of the earth is R = 6378.1 km, Cleveland's lati
Refraction law: For a wavefront travelling by a boundary among two media, the first along a refractive index of n 1 , and the other with one of n, the angle of incidence thet
What is meant by the term 'modulation'? Define with the help of a block diagram, how the process of modulation is carried out in radio broadcasts.
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