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An ice-skater with a mass of 75.0 kg pushes off against a second skater with a mass of 42.0 kg.
Both skaters are initially at rest.
After the push, the larger skater moves off with a speed of 0.75 m/s eastward.
What is the velocity (magnitude and direction) of the smaller skater after the push?
Does the moment of inertia of a cylinder change if the direction of the rotation axis is changed, but it still goes through the center of mass?
Number of electrons in the outermost orbit of the element of atomic number 15 is: (1) 1 (2) 3 (3) 5 (4) 7 Ans: 5
Ferromagnetic substances: on the basis of domain theory A. 1. In a ferro magnetic substance, large no. of domains occur. 2. The direction of magnetisation with in a
Q. Illustrate what two properties of electromagnetic waves are used to attach info to radio signals? Answer:- By changing the amplitude of a radio wave you can encode info
Define about the Modified Joule-Thomson? Container A of variable volume V controlled by a frictionless piston immersed in a bath at temperature T. This container is connected
How is laser in heat treatment use as nuclear fusion? Nuclear fusion A few of the world's most powerful and complicated arrangements of multiple lasers and optical amplifier
Positive rays are sometimes called as the canal waves. These were found by Goldstein. If the cathode of a discharged tube has holes in it and the pressure of the gas is around 10-3
Does a piece of glass reflect more light than a piece of paper?
a) Explain ampere's law and calculate magnetic field at any point P beacuse of (i) Infinite long wire (ii) Inside a solenoid (iii) Inside a toroid b) Explain Biot S
Q. Define: ampere's circuital law. The line integral → → for a closed curve is equivalent to μo timesthe net current Io B . d l By the area bounded by the curve.
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