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A square coil and a triangular coil each have sides of length L.The triangular coil has twice as many turns as the square coil. If a the same current is sentthrough each coil, when the coils are placed in the same uniform magnetic field making an angle of 30degrees with the planes of the coils, which coil experiences the greater torque?
a. the square coilb. the triangular coilc. Both coils experience the same torque.d. It depends on the magnitude of the magnetic field that the coilsare placed in.
A contact lens is made of plastic with an index of refraction of1.52. The lens has an outer radius of curvature of+1.94cm and an inner radius of curvature of+2.54cm. What is the focal length of the lens?
question springs having stiffness k 2k 4k 8k 16k and so on are tied in series. find the effective stiffness of the
A stone is dropped from the top of the cliff. The splash it makes when striking the water below is heard 3.5 seconds after it is dropped. How high is the cliff? Presume that the speed of sound in air is 343 m/s and g = 9.8 m/s2.
Drops of rain fall perpendicular to the roof of a parked car during a rainstorm. find the average force exerted by the rain on the roof
The work function for platinum is 6.35 eV. Ultraviolet light of wavelength 150 nm is incident on the clean surface of a platinum sample. What is the photon energy of the ultraviolet light
The rms electric field of an electromagnetic wave increases from 307 to 921 N/C. Determine the wave intensities for the two values of the electric field
Calculate the pressure exerted on the skin by an acupuncture needle of radius 0.100 mm applied with a force of 4.80 N
An object weighing 100N is traveling vertically upward from the ground in the absence of air resistance at a constant velocity of 5m/s
A concave mirror has a radius of curvature of 32.0cm. What is its focal length?
question what percentage of a photon beam would interact in passing through a 3-mm slice of absorber if the linear
two resistors have resistances rsmaller and rlarger where rsmaller lt rlarger. when the resistors are connected in
a 900.0 N hiker stops 1/3 of the way across a 3600.0 N bridge. Find the normal force acting on concrete supports at each end of the brige
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