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A horizontal wire of length 0.59 m, carrying a current of 8.1 A, is placed in a uniform external magnetic field. When the wire is horizontal, it experiences no magnetic force. When the wire is tilted upward at an angle of 19° it experiences a magnetic force of 4.10 10-3 N. Determine the magnitude of the external magnetic field.
The value of F B. ds along closed path in a magnetic field is given by 6.28 X 10 T.m. What is the total current that passes througn this closed path?
Four charges are placed in a three-dimensional space. The charges have magnitudes 2 nC, -4 nC, 1 nC, and -9 nC. If a Gaussian surface encloses all the charges, what will be the electric flux through that surface?
A 5kg sphere moves at 20m/s makes a perfectly inelastic collision with a second sphere that is at rest. What is the mass of the second sphere
A diffraction grating has a spacing of 350 lines per mm and sits L = 47.7 cm from a screen. what is the wavelength of the laser
Determine the direction of the net electrostatic force on charge q3 (angle with respect to the positive x-axis).
A baseball bat is 1 meter long and is made of wood with density 525 kg/m^3. If the bat is held such that the point of rotation is 5.0 cm from the thin end, what is the rotational inertia of the bat
A jet flying at 107 m/s banks to make a horizontal circular turn. The radius of the turn is 3810 m, Calculate the magnitude of the necessary lifting force
A plastic film of thickness 290 nm appears to be green (?green = 510 nm), What is the plastic's index of refraction
A 7 g bullet collides horizonally with a 43 g block resting on a frictionless horizontal surface as shown in the accompany diagram. The bullet remain embedded in the block and subsequently causes the block to slide down a frictionless slope onto a..
Suppose you want to make a rainbow by spraying mist from a garden hose into the air. Why can't you ever walk under the rainbow
Continuation of Problem 8 and Problem 37. Another explanation for the sliding stones of Racetrack Playa in Death Valley, what is the required wind speed near the sheet
An electromagnetic wave has an electric field strength of 145 V/m at a point P in space at time t. What is the electric field energy density at P
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