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The frames of reference which are themselves accelerating, rotating etc like that Newton's first law of motion becomes invalid in their case can be known as non-inertial frames of reference e.g., an astronaut under a satellite is a non inertial frame of reference with respect to earth.
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
A 15-kg child experiences an acceleration of 0.25 m/s2 as she is pulled 1.7 m horizontally across the floor by her sister. Calculate the change in the child's kinetic energy.
Q. Distinguish between electric power and electric energy. Electric power i) Electric power is described as the rate of doing electric work. ii) Electric power is the cre
The process of changing of a heavy nucleus into two lighter nuclei of comparable masses (after bombardment with a energetic particle) with liberation of energy is known as nuclear
what is nicol prism?
Johannes Kepler revealed three empirical laws by using the data on planetary motion, pertaining to the orbit of planets. These laws are contained here because of the huge importanc
"The volume of needed mass of gas at fixed pressure is directly proportional to the Kelvin's temperature of the gas".
A magnetizing force of 8000A/m is applied to a circular magnetic circuit of mean diameter 30cm by passing a current by a coil wound on the circuit. If the coil is uniformly wo
What are the properties of ultrasonic waves? Properties of Ultrasonic Waves are as follows: a. Ultrasonic waves are acquiring frequencies higher than20 KHz and therefore th
Two flawlessly conducting spheres are in an evacuated region of space. One is at a potential of 12 volts as well as the other is at a potential of 15 volts. A free electron is rele
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