What is the frequency of a wave that has a wavelength of 0.39 m and a speed
of 86 m/s?
A. 0.0...
Physics, 16.10.2020 17:01 punkee5505
What is the frequency of a wave that has a wavelength of 0.39 m and a speed
of 86 m/s?
A. 0.03 Hz
B. 220 Hz
C. 34 Hz
D. 0.004 Hz
Answers: 2
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As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy
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At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.
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