What wave shape occurs if the particles travel parallel to the direction of the wave?
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Physics, 05.03.2021 22:10 johnthecool282
What wave shape occurs if the particles travel parallel to the direction of the wave?
Answers: 3
Physics, 21.06.2019 21:30
One day, after pulling down your window shade, you notice that sunlight is passing through a pinhole in the shade and making a small patch of light on the far wall. you see that the patch of light seems to be a circular diffraction pattern. it appears that the central maximum is about 1 cm across and you estimate that the distance from the window shade to the wall is about 3 m. what is (a) the average wavelength of sunlight? (b) the diameter of the pinhole?
Answers: 3
Physics, 22.06.2019 06:00
The frequency of vibrations of a vibrating violin string is given by f = 1 2l t ฯ where l is the length of the string, t is its tension, and ฯ is its linear density.โ (a) find the rate of change of the frequency with respect to the following. (i) the length (when t and ฯ are constant) (ii) the tension (when l and ฯ are constant) (iii) the linear density (when l and t are constant) (b) the pitch of a note (how high or low the note sounds) is determined by the frequency f. (the higher the frequency, the higher the pitch.) use the signs of the derivatives in part (a) to determine what happens to the pitch of a note for the following. (i) when the effective length of a string is decreased by placing a finger on the string so a shorter portion of the string vibrates df dl 0 and l is โ f is โ (ii) when the tension is increased by turning a tuning peg df dt 0 and t is โ f is โ (iii) when the linear density is increased by switching to another string df dฯ 0 and ฯ is โ f is โ
Answers: 3
Physics, 22.06.2019 20:30
Four identical lab carts each have a mass of 200 kg. different masses are added to the carts and the velocities are measured. all carts move to the right.
Answers: 3
Physics, 22.06.2019 21:00
Ais a machine that makes work easier when a single force is applied. a simple machine b compound machine c endangered machine d complex machine
Answers: 2
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