Physics, 17.04.2020 20:36 simplychan
A train passes by an little boy at the depot. as is moves away from the boy at 65 m/s, the whistle emits a feaquency of 4500hz. what freaquency does the little boy hear as the train barrels off into the distance? speed of sound in air is 343 m/s
Answers: 1
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A17,250 kg rocket is pushed with a thrust of 6,450,284 n. what is the acceleration of the rocket?
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Infrared radiation has wavelengths that are shorter than visible light is part of the visible light spectrum has wavelengths that are longer than visible light has the same wavelengths as ultraviolet radiation
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Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0° to the ground. how long will the ball be in the air before it lands? how far will the football travel before it lands?
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A train passes by an little boy at the depot. as is moves away from the boy at 65 m/s, the whistle e...
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