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7) Consider a 300 km car race on a 5-km track. Car A finishes the race in 4 h and is 1.5 laps ahead of B at this time. What is B's time for the race?

7) Consider a 300 km car race on a 5-km track. Car A finishes the race in 4 h and is 1.5 laps ahead of B at this time. What is B's time for the race?

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Could you all work for formula number 7 and 8 ?
7) Consider a 300 km car race on a 5-km track. Car A finishes the race in 4 h and is 1.5 laps ahead of B at this time. What is B's time for the race? 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 (65.5 km/h). This was 10 h 2 min less than the 14-year-old record held by the Queen Mary. What was the average speed of the Queen Mary?
Transcribed Image Text:7) Consider a 300 km car race on a 5-km track. Car A finishes the race in 4 h and is 1.5 laps ahead of B at this time. What is B's time for the race? 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 (65.5 km/h). This was 10 h 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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