A man driving a car toward a large vertical wall sounds his
1) A man driving a car toward a large vertical wall sounds his horn. The car is traveling at 81 km/h. The echo off the wall is heard by the man at a frequency of 958 Hz. What is the frequency of the cars horn?
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What is the formula for measuring the price elasticity of supply? Suppose the price of apples goes up from $20 to $22 a box. In direct response, Goldsboro Farms supplies 1200 boxes of apples instead of 1000 boxes
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A man driving a car toward a large vertical wall sounds his horn. The car is traveling at 81 km/h. What is the frequency of the cars horn
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