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Write the (real) electric and magnetic fields for a monochromatic plane wave of amplitude Eo, frequency ω, and phase angle zero that is
(a) traveling in the negative x direction and polarized in the z-direction;
(b) traveling in the direction from the origin to the point (1,1,1), with polarization parallel to the xz plane. In each case, sketch the wave, and give the explicit cartesian components of k^ and n^.
A simple pendulum, 2.0 m in length, is released with a pushwhen the support string is at an angle of 25 from the vertical. what is its speed at the bottom of the swing
Assume that a light bulb is a 60.0 W bulb with a resistance of240 Ω. The magnetic field has a magnitude of 0.40 T, and the length of the rod is 0.60 m. The only resistance in the circuit is that due to the bulb.
A solid disk rotates in the horizontal plane at an angular velocity of 0.049 rad/s with respect to an axis perpendicular to the disk at its center. what is the angular velocity of the disk
A steel cable is stretched across a gorge. The cable is 190 m long and has a mass of 44 kg. When one end of the cable is struck with a hammer, a wave pulse travels down the cable, reflects at the far end, and is detected back at the first end 14 s la..
Ceres, the smallest identified dwarf planet in the Solar System, has a radius R = 480 km and an acceleration due to gravity on its surface of magnitude g = 0.27 m/s2. Use these numbers to calculate the escape speed from the surface of Ceres.
A 1.5-m-diameter vat of liquid is 2.3m deep. The pressure at the bottom of the vat is 1.3atm What is the mass of the liquid in the vat
suppose a high voltage dc generator produces a potential difference of 75. kv across an air gap distance of 1.25 cm.
a 24 kg block slides with an initial speed of 6 ms up a ramp inclined at an angle of 20o with the horizontal. the
An event occurs at x′ =60m, t′ =8×10-8 sec in a frame S′ (with y′ =0, z′ = 0). The frame S′ has a speed of 3c/5 in the x direction with respect to frame S. The origins of S and S′ coincide at t = 0, t′ = 0. What are the spacetime coordinates of th..
A 0.028g plastic bead hangs from a lightweight thread. Another bead is fixed in position beneath the point where the thread is tied. If both beads have the same positive charge q, the moveable bead swings out to the position shown in (Figure 1). The ..
Astronomical observations of our Milky Way galaxy indicate that it has a mass of about 8 multiplied by 1011 solar masses. What should the orbital period of that star be
the 2-kg rod ab moves up and down as its end slides on the smooth contoured surface of the cam where r 0.1mand z
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