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A woman is standing in the ocean, and she notices that after a wave crest passes by, five more crests pass in a time of 54.1 s. The distance among two successive crests is 33.9 m. What are the wave's (a) wavelength, (b) frequency, (c) period, and (d) speed?
Light travles between a medium of index n=1.52 and a medium of index n1=1.38. What is the critical angle for this combination, What is the speed of light in the low index medium
A constant force of 20 N is applied to an object of mass 7.5 kg at an angle of 22 degrees above the horizontal, how much power was used to move the object
Suppose that a 1 kg standard body accelerates at 4.00 m/s^2 at 160 degrees from the positive direction of the x-axis, owing to two forces, What is the magnitude and direction of the second force
A meter stick with a mass of 0.159kg is pivoted about one end so it can rotate without friction about a horizontal axis. Calculate the angular speed of the stick
The electric field in a velocity selector is generated by twoparallel plates separated by 5.00 cm with a potentialdifference of 90.0 V. If the magnetic field is7.000e-2 T, at what speed will particles passthrough undeflected?
A near-sighted person might correct his vision by wearing diverging lenses with focal length f = -45cm, Use ray tracing to determine the location of the image
question a rectangular coil of wire is situated in a constant magnetic field whose magnitude is 0.5 t. the coil has an
The period of rotation of the Moon is about 27 days, 8 hrs. The mass of the Moon is 7.35 x 1022 kg, and the radius of the Moon is 1.74 x 106 m. Find the height of the satellite above the Moon's surface
Suppose you pour 19 g of water into 1.0 litres jar and seal it tightly. What will be the pressure of the vaporized water
A uniform spherical shell of mass M = 13.0 kg and radius R = 0.390 m can rotate about a vertical axis on frictionless bearings (see the figure). A massless cord passes around the equator of the shell, over a pulley of rotational inertia I = 0.200 ..
A source of sound waves of frequency 0.4 kHz is stationary. What is the observed frequency if the observer moves toward the source
The objective of a refracting astronomical telescope has a focal length of 3.60 m. What is the angular magnification of the telescope
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