Physics, 30.11.2019 04:31 sairaanwar67
Energy is to be stored in a flywheel in the shape of a uniform solid disk with a radius of r = 1.22 m and a mass of 67.0 kg . to prevent structural failure of the flywheel, the maximum allowed radial acceleration of a point on its rim is 3510 m/s2 .what is the maximum kinetic energy that can be stored in the fly-wheel?
Answers: 2
Physics, 21.06.2019 19:40, gonzalezjacquel7975
An uplifted block of rock between two normal faults
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Physics, 22.06.2019 06:00, jagmeetcheema
The frequency of vibrations of a vibrating violin string is given by f = 1 2l t ρ where l is the length of the string, t is its tension, and ρ is its linear density.† (a) find the rate of change of the frequency with respect to the following. (i) the length (when t and ρ are constant) (ii) the tension (when l and ρ 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 ⇒ f is ⇒ (ii) when the tension is increased by turning a tuning peg df dt 0 and t is ⇒ f is ⇒ (iii) when the linear density is increased by switching to another string df dρ 0 and ρ is ⇒ f is ⇒
Answers: 3
Physics, 23.06.2019 00:00, marisajuarez14
Why do atoms emit energy of only specific wavelengths
Answers: 1
Energy is to be stored in a flywheel in the shape of a uniform solid disk with a radius of r = 1.22...
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