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A charge of 120 µC is at the center of a cube of edge 80.0 cm. No other charges are nearby.
(a) Find the total flux through each face of the cube.
(b) Find the flux through the whole surface of the cube.
The magnetic field of a plane-polarized electromagnetic wave is given by B=1.2*10^-6 Sin[2pi (z/240 – (t*10^7)/8)] in SI units . The field vector is B_ = B(z,t)[(i^+J^)/ 2^(1/2)]. Find the average power per square meter carried by the EM wave. Writ..
a ball with a mass of 12 kg is traveling towards the left at a speed of 10 ms another ball with a mass of 14 kg is
q1. a spring stiffness 900 nm and relaxed length 1m stands vertically on a table. you hold a block of mass 1 kg barely
An electric field given by = 6.0· - 3.9(y2 + 3.5)· pierces a Gaussian cube of edge length 3.2 m and positioned as shown in Fig. 23-56. (The magnitude is in newtons per coulomb and the position x is in meters.) What net charge (in Coulombs) is enclose..
On a highly polished, essentially frictionless lunch counter, a 0.410 submarine sandwich moving 2.90 to the left collides with a 0.260 grilled cheese sandwich moving 1.05 to the right. How much mechanical energy dissipates in the collision
A 1480{\rm kg} car pulls a 320{\rm kg} trailer. The car exerts a horizontal force of 3900{\rm N} against the ground in order to accelerate. What force does the car exert on the trailer
The truck slows down uniformly with an acceleration of 5.60 m/s2 for 4.20 s, making skid marks 62.40 m long that end at the tree. With what speed does truck then strike the tree.
The drawing shows a block at rest on an incline. What is the static frictional force that acts on the block
A29.0 kg wheel, essentially a thin hoopwith radius 1.02 m, is rotating at 280rev/min. It must be brought to a stop in 15.0 s. How much work must be done to stop it
An 79 kg person is parachuting and experiencing a downward acceleration of 2.0 m/s2 shortly after opening the parachute. What upward force is exerted on the open parachute by the air
An egg with a mass of 40 grams is on a table of 1 meter high, it falls and breaks. what was the force exerted by the floor on the egg so that it broke
Two small spheres spaced 20.0 centimeters apart have equal charge. How many excess electrons must be present on each sphere if the magnitude of the force of repulsion between them is 4.57 x 10^-21 newtons?
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