8) On its maiden voyage in July 1952, the liner United States won the coveted Blue Ribbon for the fastest crossing of the Atlantic from New York to Cornwall, U.K. The trip took 3 days 10 hours 40 min at an average speed of 34.5 knots (65.5km/hr). This was 10 hr 2 min less than the 14-year-old record held by the Queen Mary. What was the average speed of the Queen Mary?
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Physics is the study of matter, motion, energy and force. It is a fundamental science that seeks to understand and explain the universe around us and beyond.
One microscope slide is placed on top of another with their left edges in contact and a human hair under the right edge of the upper slide. As a result, a wedge of air exists between the slides. An interference pattern results when monochromatic light is incident on the wedge. At the left edges of the slides, there is