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1.A wave of frequency 1200 Hz spred over a lenth of 10 m.Wat is the wavelength?what is the speed?2.A constant force of magnitude 10 N is applied on a 20 kg particle for 2s.Wat is acceleration of the paticle.If the particle starts from rest wat is its final velocity? |
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Answer» We KNOW that VELOCITY = WAVELENGTH ( distance ) * FREQUENCY... |
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