Determining the relativistic momentum
A spacecraft passes you traveling forward at 0.235 the speed of light. By what factor would its relativistic momentum increase if its speed doubled?
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An airplane maintains a speed of 567 km/h relative to the air it is flying through as it makes a trip to a city 745 km away to the north. What time interval is required for the trip if the plane flies through a headwind blowing at 37.8 km/h toward
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