Physics, 01.04.2021 17:00 emmaraeschool
1. A person pulls on a two mass system, connected by a massless string, with a force (FA ) so that the net-acceleration (a) on the system is 7.0 m/s2 down the right slope. The coefficient of friction for the surface m1= 13.0kg is on is k=0.60, while m2= 3.0kg travels along a frictionless surface. m1 = 70 degrees and m2=38.
Answers: 2
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Awheelhas a radius of 4.8 m. howfar (path length) does a point on the circumference travel if thewheel is rotated through angles of 30°, 30 rad, and 30 rev, respectively?
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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.
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Wavelength, frequency, and energy are related. what happens to a wave as it’s wavelength gets shorter?
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1. A person pulls on a two mass system, connected by a massless string, with a force (FA ) so that t...
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