6 You are on a train travelling north at 80.0 m/s relative to the ground. The air is still relative to the ground when you hear the whistle of a train travelling south. You know that train whistles are emitted with a frequency of 262 Hz, but the whistle appears to have a frequency of 350 Hz. What is the speed of the other train

need to see circuit to get time constant

the small 0.38-kg slider is known to move from position a to position b along the vertical-plane slot. determine (a) the work done on the body by its weight and (b) the work done on the body by the spring. the distance r = 0.70 m, the spring modulus k = 154 n/m, and the unstretched length of the spring is 0.53 m

explanation:

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