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A single loop of area 0.143 m2 is placed perpendicular to a magnetic field of 0.354 T. The loop is rotated about an axis lying in the plane of the loop and passing through its center. An instantaneous emf of 9.21 Volts is generated when the plane of the loop makes an angle of 45 o with the field direction. What is the angular speed of the loop (rad/s)?
A certain lightbulb is rated at 175.0 W when operating at an rms voltage of 120 V. What is the peak voltage applied across the bulb
A slit of width 2.0 ?m is used in a single slit experiment with light of wavelength 650 nm. If the intensity at the central maximum is Io, what is the intensity 10° from the center?
Galaxy C moves away from galaxy B in the same direction at 0.701 of the speed of light. How fast does galaxy C recede from galaxy A? Express your answer as a fraction of the speed of light.
In a certain region, the earth's magnetic field has a magnitude of 4.7 × 10-5 T and is directed north at an angle of 69° below the horizontal, Determine the bullet's electric charge
What is the ideal banking angle for a gentle turn of 1.80 km radius on a highway with a 110 km/h speed limit (about 68 mph), assuming everyone travels at the limit
What is the electric field between the two cylinders (a c)?
if a string vibrating at 42 hz has a standing wave with three antinodes at what frequency will it have a standing wave
The sun falls on a concave mirror and forms an image 4.5 cm from the mirror. If an object 22 mm high is placed 12.7 cm from the mirror, where will its image be produced.
In loading a fish delivery truck, a person pushes a block ofice up a 20 degree incline at a constant speed. The push is150 N in magnitude and parallel to the incline. The block hasa mass of 35.0 kg.
Vector A has polar coordinates (5, 60o)and vector B has polar coordinates (3,135o). What the scalar product of the two vectors
A square wire carrying a current of 5 A has sides of 10 cm and is placed in the yz plane. The torque on the square is
A projectile is launched with an initial speed of 40 m/s at an angle of 20 degree above the horizontal on flat ground. Ignore air friction. Find the projectile velocity at highest point of its trajectory
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