For items 1-2, choose only one correct answer. 1. What is the speed of sound when the temperature is 39°C in aluminum? A. 5119.2 m/s B. 5122.2 m/s C. 5123.4 m/s D. 512

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A: Given Launch angle (θ ) = 25° and 35°  For , θ  = 25°   sin25° =0.42  cos25° = 0.91  tan25° = 0.47

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A: Given: Frequency f=61.0 kHz=61.0*103Hz Speed of sound in air is v=343m/s.

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A: Speed of sound in air increases with increase in temperature.

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A: A supersonic airplane has a speed of 1.5 times the speed of sound. If an observer is 5 km from the…

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A: Given data- Third harmonic standing wave (m=3) with a frequency f3=1.6 Hz Distance between the poles…

Q: 10. The speed of sound in air is 343.2 m/s at 20 °C. You design experiments using three different…

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