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Q. On a rainy day, raindrops fall with a vertical velocity of 11.7 m/s. If a car drives through the rain at 87.0 km/hr, what is the magnitude of the velocity of the raindrops relative to the car?

Q. A square coil that is 20 cm on a side is made of 10 turns of wire. It is in a 0.8T magnetic field that is perpendicular to the plane of the coil. The coil has a resistance of 100 ohms. If it takes 0.5 seconds to completely remove the coil from the field. What is the average induced EMF?

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