How much time passes before it hears an echo
A dolphin located in sea water at a temperature of 26C emits a sound directed toward the bottom of the ocean 157 m below. How much time passes before it hears an echo? Assume the the speed of sound in sea water is 1530 m/s at this temperature.
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Write a program that bounces a blue ball inside JPanel. The ball should begin moving with a mousePressed event. When the ball hits the edge of the JPanel, it should bounce off the edge and continue in the opposite direction. The ball should be update
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How much time passes before it hears an echo? Assume the the speed of sound in sea water is 1530 m/s at this temperature.
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