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An egg beater
Study an egg beater, hand drill or some other device in which an enhance of speed is obtained by means of gears.
Elastic collision : A collision is known as elastic when kinetic energy is also conserved along with the linear momentum. There is no transformation or loss of kinetic energy in th
Explain header and stretcher. Header A brick laid with its length perpendicular to the direction of wall is known as a header. A course of bricks in which all the bricks a
Q. Explain the wave nature of matter. De - Broglie Waves Theory According to De - Broglie hypothesis, particles like electron, proton, neutron etc. show wavelike properti
Q. An iron box of 400 W power is used daily for 30 minutes. If the cost per unit is 75 paise, find the weekly expense on using the iron box. Energy obsessive in 30 minutes
The operation of a logic gate or circuit can be shown in a table which have all possible inputs and their corresponding output is known as the truth table. To write the truth table
When a hard element is suspended from an axis and made to oscillate about that, then it is known as compound pendulum. C = Initial position of center of mass C' = Position of
Five people are playing tug-of-war. Anders and Alyson pull to the right with 45 N and 35 N, respectively. Calid and Marisol pull to the left with 53 N and 38 N, respectively.
Occam's [or Ockham's] razor (William of Occam [or Ockham]; c. 1340): The recommendation that the simpler a theory is, the better. If two of the theories predict phenomena to t
Using a wheel and axle Use the pencil sharpener that you used in experiment A 8. Pull on the end of the string that held the books and observe how rapidly the crank turns.
A rocket is intended to leave the Earth's gravitational ?eld. The fuel in its key engine is a little less than the amount that is essential, and an auxiliary engine, only capa
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