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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?
Q. A capacitor of capacitance 2 μF is in an ac circuit of frequency 1000 Hz. If the rms value of the applied emf is 10 V, find the effective current flowing through the circuit.
Explain the Thermodynamics - Heat and Work Thermodynamics is an area of science which looks at how changes in energy, work and the flow of heat influence each other. It can exp
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what is the angle of incidence when the refracted and the reflected ray are parallel to one another? does this angle depend on the wavelength of light? Ans) The angle of inciden
as flux = E.A and flux density is equal to flux/A then why A/A cannot e cancelled ?
Define about the Heat Loss? An immersion heater of power J=500 W can be used to heat water in a bowl. After 2 minutes the temperature enhance from T 1 =85 o C to T 2 =90°C. Th
what is wedge constraint? explain with example.
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Unit Vectors A unit vector is a vector of unit length. A easy animation of unit vectors and vector addition. A unit vector is a vector of length 1, sometimes also called a dir
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