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A plane sinusoidal electromagnetic wave has a magnetic field amplitude of 5.00 x 10^-5 T.
a) What is the electric field amplitude of the wave?
b) How much energy is contained in a volume of 1.0 x iOm3,if the wave completely fills this volume?
c) What average force does this radiation exert on a totally reflecting surface of area0.500 m2, if the plane of the surface is perpendicular to the direction of propagation of the wave?
Electric charge Q has been spread uniformly over a circular arc of radius R and central angle 40 degrees. What is the potential at point P, center of curvature of the arc.
An oil-filled capacitor has square parallel plates 26{\rm cm} on a side, separated by 0.47{\rm mm}. Find the dielectric constant of the oil
The windshield of a speeding car hits a hovering insect. Consider the time interval from just before the car hits the insect to just after the impact. Which of the following are right.
A vector has an x component of -24.0 units and a y component of 36.4 units. Find the magnitude and direction of this vector
The boom in the crane is free to pivot about point P and is supported by the cable that joins halfway along its 18 m length. the cable passes over a pulley and is anchored at the back of crane. the boom has a mass of 1700 kg, distributed evenly an..
James is scheduled for a job interview with Ms. Farrar. He knows that she is in charge of selecting, placing, and evaluating employees for her firm, but he cannot remember her educational background. Which is most likely Ms. Farrar's educational back..
The microwave radiation left over from the Big Bang explosion of the universe has an average energy density of 3.89 × 10-14 J/m3
Consider a series RLC circuit with R = 15 , L = 196 mH, C = 75 µF, and a maximum voltage of 148 V. What is the impedance of the circuit at resonance
A 2.78-kg steel ball strikes a massive wall at 10.0 m/s at an angle of ? = 60.0° with the plane of the wall, what is the average force exerted by the wall on the ball
A converging lens is placed 20.0 cm to the right of a diverging lens of focal length 5.0 cm. Calculate the focal length of the converging lens
In a hydraulic system, the larger piston to be used to lift a 1670kg car has a diameter of 24.2cm, If instead compressed air at 115 psi of pressure is used, what is the largest mass car (in kg) that the system can lift
A gymnast of mass 56.0 {rm kg} hangs from a vertical rope attached to the ceiling. You can ignore the weight of the rope and assume that the rope does not stretch. Use the value 9.81 {rm m/s^2} for the acceleration of gravity.
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