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Beat period : The time interval among two successive beats is called as beat period.
Beat frequency : The number of beats given per second is called as beat frequency.
A bat emits a sound whose frequency is 142 kHz. The speed of sound in air at 20.0°C is 343 m/s. However, the air temperature is 35°C, so the speed of sound is not 343 m/s. Find the
Unbalanced forces cause accelerations. In this case, the unbalanced force is directed opposite the book's motion and will cause it to slow down. To verify if the forces acting
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composition of two simple harmonic motions at right angles to each other and having time periods in the ratio 1:2
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motion mean laws of motion explain explian motion lesson
Q. The resistance of a nichrome wire at 0oC is 10 Ω. If the temperature coefficient of resistance is 0.004/ o C, find its resistance at boiling point of water. Comment on the resul
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