# physics

Standing waves are set up in a string by a source vibrating at 100.0 Hz. Seven nodes are counted in a distance of 63.0 cm (including one node at each of the ends).

How many wavelengths must there be in the string?
What is the wavelength of the waves in the string?
What is the distance between each node?
What is the speed of these waves?

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1. DRAW IT !!!!!!!!
2 full waves in the middle, half a wave at each end so THREE
63 / 3 = 21 cm = 0.21 meters wavelength
well they go 0.21 meters in 1/100 seconds

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Damon
2. hi, thanks for the help!. I just need help with knowing the answers and I have also drawn a diagram. if u need it plz tell me

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