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A polot flies 630 miles wit a tail wind of 35 miles per hour. Against the wind, he flies only 455 miles in the same amount of time. Find the rate of the plane in still air.
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Not counting the "turn around" , a helicopter carrying passengers between an airport and the roof of a downtown skycraper 20 miles away can make the round trip in 15 minutes. The helicopter flies 2 miles away with the wind when
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Not counting the "turn around" , a helicopter carrying passengers between an airport and the roof of a downtown skycraper 20 miles away can make the round trip in 15 minutes. The helicopter flies 2 miles away with the wind when
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A plane flies 540 miles for 2 hours in the direction of the wind. Then it turns around and flies 690 miles for 3 hours against the same wind. Find the speed of the plane in still air and the wind speed.
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A Boeing 747 flies 2420 miles with the wind. In the same amount of time, it can fly 2140 miles against the wind. The cruising speed ( in still air) is 570 mph. Find the speed of the wind.
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Wind can affect the speed of an airplane. Suppose a plane is flying roundtrip from New York City to San Francisco.The plane has a cruising speed of 300 miles per hour.The wind is blowing from west to east at 30 miles per hour.
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A blimp flies at 60mph. A round trip of 40miles into the wind and 40 miles with the wind takes 90 minutes. What is the speed of the wind?
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A plane flies 460 miles with the wind and 310 miles against the wind in the same length of time. If the speed of the wind is 30 mph, what is the speed of the plane in calm air?
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