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A circular loop of radius 8 cm lies in a uniform magnetic field, with the field perpendicular to the loop's plane. The loop has a mass 60 grams and resistance 2.3 ohms. The magnetic field oscillates in time according to the equation B=B_0 sin(Omega t ), with B_0= 12 T and Omega= 350 rad/s. What is the maximum current that flows in the loop?
Two loudspeakers emit sound waves along the x-axis. The sound has maximum intensity when the speakers are 23cm apart. What is the wavelength of the sound
The only force on a 4.0-kg body as it moves along the x axis is given by F(subscript "x") = (14 - 6.1x) N, What is the maximum kinetic energy attained by the body
A 53.0 kg cheerleader uses an oil-filled hydraulic lift to hold four 130 kg football players at a height of 1.30m. what is the diameter of the football players' piston
In a television picture tube, electrons strike the screen after being accelerated from rest through a potential difference of 33 500 V. find the electron speed just before the electron strikes the screen
A tradesman sharpens a knife by pushing it against the rim of a grindstone. The 35 cm diameter stone is spinning at 200 rpm and has a mass of 18 kg. The coefficient of kinetic friction between the knife and the stone is 0.20. If the stone loses 10% o..
A beam of light traveling in air strikes a very smooth water surface in a glass bowl at an angle of incidence of 35 degrees. Prove that the emergent beam is parallel to the incident beam
How much work must be done to accelerate a baton from rest to an angular speed of 6.96 rad/s about its center
A glass rod is rubbed with a cloth, and the rod is left with a charge of +5.0nC. How many electrons did the cloth gain
a 1041 kg van stopped at a traffic light is hit directly in the rear by a 744 kg car traveling with a velocity of 2.00
An explosive charge breaks an object into two splinters, with respective masses m1 = 1.9 kg and m2 = 5.7 kg. What is the ratio of the separation speeds v2/v1
A beam of light propagating in glass (n=1.52) is incident on an interface with an unknown material. When the incident angle is exactly 62° the all of the light is reflected at this interface, but for smaller angles some light is transmitted. What is ..
Atoms can be cooled using multiple laser beams. In such an experiment, the temperature of sodium atoms can be cooled to 0.1 mK. What is the rms speed of the atoms at this temperature
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