### Assume the track is frictionless

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##### Reference no: EM138090

Q1. A cart starts from rest at the top of the tilted track. Assume the track is frictionless. The cart passes photo gate A moving at speed 4.19 cm/s, and passes photo gate B moving at speed 6.32 cm/s. The distance between point A and point B is 73 cm.

Q2. Two pipes of equal length are each open at one end. Each has the fundamental frequency of 500 Hz at 325 K. In one pipe the air temperature is increased to 330 K. If the two pipes are sounded together, what beat frequency results?

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