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At one location on the Earth, the rms value of the magnetic field caused by solar radiation is 1.85 µT. (a) Calculate the rms electric field due to solar radiation. V/m (b) Calculate the average energy density of the solar component of electromagnetic radiation at this location. µJ/m3 (c) Calculate the average magnitude of the Poynting vector for the Sun's radiation. W/m2 (d) Assuming that the average magnitude of the Poynting vector for solar radiation at the surface of the Earth is Sav = 1000 W/m2, compare your result in part (c) with this value. %
A 5 kg block is placed near the top of a frictionless ramp, which makes an angle of 30o degrees to the horizontal. Find the maximum compression of the spring
question1assume we added some constant to the total energy of the system. for instance say that instead of the
The triangular coil of wire in the drawing is free to rotate about an axis that is attached along side AC. What is the magnetic moment of the loop
As a protest against the umpire's calls, a baseball pitcher throws a ball straight up into the air at a speed of 17.0 m/s. find the force he exerts on the ball to give it this upward speed
Bob and Ray push on a door from opposite sides. They both push perpendicular to the door. Bob pushes 0.63 m from the door hinge with a force of 89 N. What is the net torque on the door
The box has a mass of 31.0 kg, and the coefficient of kinetic friction between the box and floor is 0.530. The acceleration of gravity is 9.81 m/s2. Illustrate what is the acceleration of the box?
A runner moving at a constant speed of 11.5 m/s rounds a curve of radius 6.15 m. Compute the acceleration of the runner
A electron is accelerated from rest by the potential difference of 350 V. It then enters a uniform magnetic field of magnitude 200 mT with its velocity perpendicular to the field.
A 53.6 kg crate is dragged across a floor by pulling on a rope attached to the crate and inclined 16.0° above the horizont, If the coefficient of static friction is 0.510, what minimum force magnitude is required from the rope to start the crate mo..
An object is placed at a distance of 28 cm from a thin convex lens. The lens has a focal length of 9 cm. what are the values of the image distance and lateral magnification
Illustrate what average power must the winch supply in order to accelerate a 174-kg ultra-light glider from rest to 23.0 m/s over a horizontal distance of 50.0 m? Assume that friction and air resistance are negligible, and that the tension in the ..
Two point charges of equal magnitude are 6.1 cm apart. At the midpoint of the line connecting them, their combined electric field has a magnitude of 37 N/C
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