Aclown balances a small spherical grape at the top of his bald head, which also has the shape of a sphere. after drawing sufficient applause, the grape starts from rest and rolls down without slipping. it will leave contact with the clown's scalp when the radial line joining it to the center of curvature makes what angle with the vertical?
Answers: 2
Physics, 22.06.2019 04:20
Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.
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What are the dimensions of the cross section that passes through the points a, f, g, and d?
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An electromagnetic wave with frequency 65.0 hz travels in aninsulating magnetic material that has dielectric constant 3.64 andrelative permeability 5.18 at this frequency. the electric fieldhas amplitude 7.20 \times 10^{ - 3} {\rm v}/{\rm m}. a. what is the speed of propagation of the wave? b.what is the wavelength of the wave? c.what is the amplitude of the magnetic field? d.what is the intensity of the wave?
Answers: 3
Aclown balances a small spherical grape at the top of his bald head, which also has the shape of a s...
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