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Indiana University Purdue University Physics Three Questions
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1. You observe lightning strike in the distance and hear the thunder approximately 3 seconds later.The speed of sound in air is 343 m/s. How far away was the lightning strike?
2. A simple pendulum of length L has a period T on Earth. The same pendulum is taken to the Moon which has approximately 1/6th of the Earth surface gravity. What is the period of the pendulum on the Moon?
3. Radio station is broadcasting at a frequency 101.3 MHz.Given the radio waves speed 3.00×108m/s, what is its wavelength?
