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Accelaration is the rate of change of velocity.It defines how velocity is chaging with respect to time.
Two steel balls are at a distance S from one another. As the mass of ONE of the balls is doubled, the gravitational force of attraction between them is: a) Quartered b) H
Older people wear eye glasses with bifocal corrective lenses . What is the eye defect that necessitate this eye glasses ?
1. Solve the TISE in each region to find the stationary wave function, and show that it can be written as ?(x) = Ae ikx +(k-1)/(k+1)Ae ikx x =2k/(k+1)Ae ilx x>0 where
Q. What is an intrinsic semiconductor? Give any two examples. A) A semiconductor which is pure as well as contains no impurity is known as an intrinsic semiconductor. B) In
explain briefly about piezoelectric effect to produce ultrasonics
what is cruisiing mean
GM counter
why we take large radius of curvature of lens
A medium is known as denser if the velocity of ray in that phase is fewer than the speed of the wave in other phase. In comparison to air velocity of sound is main in water,
A guitar string produces 4 beats/second when sounded with a250Hz tuning fork and 9 beats/second when sounded with a 255 Hz tuning fork. What is the vibration frequency?
Acceleration is nothing but it''s a change of speed of an object with respect to time. Whereas you are moving in a bike you may observe that. For example if you are moving with constant speed say 60kmph means change in velocity zero so acceleration is 0.The main thing you keep in mind that is accelaration +ve or -ve.....Because If a person slowing down from 60kmph to 50kmph,here change in velocity is 10 so acceleration is 10 but it is negative(decreasing)..Similar way he person again come to 60kmph from50kmph..Obviously his acceleration is 10.but it is in increasing so we say positive or increasing acceleration....
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