During takeoff a jet aircraft goes from 0 m/s to 60 m/s in 5 seconds. (a) What is the jet's acceleration? (b) What is the jet's speed after 22 seconds?
12 m/s2, 264 m/s
Physics & Space Science
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The unit of measurement for electric power is
A) joules per second. B) watts. C) both are equivalent D) none of the above
Physics & Space Science
The loudness of a sound is most closely related to its
A) speed. B) frequency. C) wavelength. D) intensity.
Physics & Space Science
Two harmonic waves traveling in opposite directions interfere to produce a standing wave described by y = 2sin(4x)cos(3t), where x is in m and t is in s. What is the speed (in m/s) of the interfering waves?
A. 0.75 B. 0.25 C. 1.3 D. 12 E. 3.0
Physics & Space Science
Explain why the image seen in astronomical telescopes is inverted
What will be an ideal response?
Physics & Space Science