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A block of mass m is tied to a cord of length L that is pivoted at the center of a frictionless table. A second block of mass m is tied to the ?rst block also on a cord of length L, and both are set in motion so that they rotate together at angular speed ω as given above. The tensions T1 and T2 in the cords are:
1) T1 = 3mω2L, T2 = 2mω2L
2) T1 = mω2L, T2 = 2mω2L
3) T1 = mω2L, T2 = mω2L
4) T1 = 2mω2L, T2 = 2mω2L
5) T1 = mω2L, T2 = 4mω2L
Fish soup is prepared in a hemispherical copper bowl of diameter 40 cm. The bowl is placed into the water of a lake to cool down and ?oats with 10 cm of its depth immersed.
At what temperature would the average speed of helium atoms equal (a)the escape speed from Earth, 1.12 ´ 10 4 m/s, and (b) the escape speed from the Moon, 2.37´ 10 3 m/s? (See Ch
D=(a÷Sqrt(h**k**l**))
what happens to a conical pendulum when the bob splits into two parts such that one part remains attached to the string?
Charge and discharge characteristics of nickel cadmium cell: During charging and discharging the electrolyte acts only as an ionised conductor, transporting electrons from one
Write down the relation between focal length and power of a lens. Write down the expression for the equivalent focal length of two thin lenses separated by a distance.
stop watch + least count+ picture of stop watch
1. What is the principle of gas filled detectors? 2. What are nuclear radiations or particle detectors?
estimation of nuclear fusion on basis of liquid drop model
#question.introduction .
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