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Author Question: The voltage in a house is measured to be 122.5 V. What is the current drawn by a 75.0-W light ... (Read 34 times)

londonang

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on: Jul 28, 2018
The voltage in a house is measured to be 122.5 V. What is the current drawn by a 75.0-W light bulb?

Question 2

The laws of refraction and reflection are the same for sound as for light. The speed of sound in air is 340 m/s and in water it is 1510 m/s. If a sound wave approaches a plane water surface at an angle of incidence of 12.0, what is the angle of refraction?


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k2629

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Reply #1 on: Jul 28, 2018
Answer to Question 1

0.612 A

Answer to Question 2

67.4


londonang

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Reply 2 on: Jul 28, 2018
Gracias!

marict

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Reply 3 on: Yesterday
Excellent

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