Physics, 14.12.2019 07:31 nbayoungboy589
Hanging from a horizontal beam are nine simple pendulums of the following lengths:
(a) 0.10 m,
(b) 0.30 m,
(c) 0.40 m,
(d) 0.80 m,
(e) 1.2 m,
(f) 2.8 m,
(g) 3.5 m,
(h) 5.0 m, and
(i) 6.2 m. suppose the beam undergoes horizontal oscillations with angular frequencies in the range from 2.00 rad/s to 4.00 rad/s. which of the pendulums will be (strongly) set in motion?
Answers: 3
Physics, 21.06.2019 22:30
Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.
Answers: 1
Physics, 21.06.2019 23:30
Abeam of electrons with of wavelength of 7.5 x 10-6 m is incident on a pair of narrow rectangular slits separated by 0.75 mm. the resulting interference pattern is projected onto a screen 10.0 m from the slits. what is the separation of the interference maxima in the resulting interference pattern?
Answers: 2
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A1000-kg weather rocket is launched straight up. the rocket motor provides a constant acceleration for 16-s, then the motor stops. the rocket altitude 20-s after launch is 510-m. you can ignore any effects of air resistance. a. what was the rocket’s acceleration during the first 16-s? b. what is the rocket’s speed as it passes through a cloud 5100-m above the ground?
Answers: 1
Hanging from a horizontal beam are nine simple pendulums of the following lengths:
(a)...
(a)...
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