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The speed of sound in air at 20°C is 344 m/s.
(a) What is the wavelength of a sound wave with a frequency of 196 Hz, corresponding to the note G3 on a piano?
___m
(b) How many milliseconds does each vibration take?
____ms
(c) What is the wavelength of a sound wave one octave higher than the note in part (a)?
____m
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USANi bolt just crossed the finish line of the 100 meter race at a speed of 11.0 m/s. immediately; he begins to slow down at a rate of 2.4 m/s2. how far is he behind the starting blocks
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You are aware of the Myers Briggs Type Indicator and the Big Five Model used for identifying and classifying traits. Your Director has asked you to research the two frameworks and create a presentation. You need to address the following:
Star A has a radius of 200 000 km and a surface temperature of 6 000 K. Star B has a radius of 400 000 km and a surface temperature of 3 000 K. The emissivity of both stars is the same. What is the ratio of the rate of energy radiated by Star A to..
Student lifted a 3.00 kg stone from point .0500m above the floor toa point 1.75 above the floor and dropped it. Calculate the stones's gravitational potential energy (withrespect to the floor) when it was .500 m above the floor.
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