Physics, 21.09.2021 20:00 mecennabosaaen
Water is made to fall drop by drop on the surface of a pool at the rate 120 drops per minute. As aresult, circular ripples are formed on the surface and the distance between the third circle and theseventh circle is 60m. a) Calculate the frequency, period and wavelength. b) Deduce the speed of propagation of the waves on the water surface
Answers: 1
Physics, 22.06.2019 07:30
Identify the theory that can be used to explain each phenomenon. answers diffraction: wave theory interference: wave theory reflection: both particle and wave theories refraction: both particle and wave theories
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Physics, 22.06.2019 10:30
Avery long solenoid of inner radius 2.75 cm creates an oscillating magnetic field of the form = for this solenoid, =0.00425 t and =319 rad/s. (a)what is the maximum value of the induced electric field at a perpendicular distance 1.45 cm from the axis of the solenoid? (b) what is the maximum value of the inducted electric field at a point 5.85 cm perpendicular from the axis of the solenoid?
Answers: 1
Physics, 22.06.2019 20:50
In a game of pool, ball a is moving with a velocity v0 of magnitude v0 = 15 ft/s when it strikes balls b and c, which are at rest and aligned as shown. knowing that after the collision the three balls move in the directions indicated and assuming frictionless surfaces and perfectly elastic impact (that is, conservation of energy), determine the magnitudes of the velocities va, vb, and vc.
Answers: 3
Water is made to fall drop by drop on the surface of a pool at the rate 120 drops per minute. As are...
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