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Dan Goldin wanted to see an image of an extra-solar planet comparable to the crude images returned to us by our first meteoroligical satellites. Suppose you want to resolve 100 km feautures on an earth-like planet located at a distance of 30 pc at both wavelength 0.5 micrometer and 10 micrometer. How large a telescope do you need? And why should such a telescope be built in space? Given how telescope size scales with wavelength, what wavelength would you pick for imaging the surface features of an extrasolar earth-like planet?
Treat a Boron atom as 5 protons at the origin, 2 electrons spread uniformly on a shell (radius 13.2[pm] centered on the origin) , 2 more electrons spread on a shell (radius 105.8[pm] centered on the origin), and its outer electron at x= 211.6 pm.
if a charge particle move in a straight line and there no other forces on it except possibly from a magnetic field can
Five clocks are being tested in a laboratory. Exactly at noon, as determined by the WWV time signal, on successive days of a week the clocks read as in the following table.
you need to use a monitor and lightweight cable to lift a 2.0 kg copper weight to a height of 3m. To do so, you've decided to use a 1000V power supply to charge a capacitor, what minimum capacitance do you need
While leaning out a window that is 5.5 m above the ground, you drop a 0.60-kg basketball to a friend at ground level. determine the amount of work done by the force of gravity
Two wires, each 2.4 m long, are taped together to form atwo-wire unit that is 2.4 m long. What is the current in the other wire
A square loop of wire consisting of a single turn is perpendicular to a uniform magnetic field. What is the flux that passes through the circular loop
A 209-kg log is pulled up a ramp by means of a rope that isparallel to the surface of the ramp. The ramp is inclined at 31.0° with respect to the horizontal.
q1. a 0.270 kg block on a vertical spring with a spring constant of 5.00 x 103 nm is pushed downward compressing the
Flying fish are able to leap out of the water to evade predatores and typically fly a distance around 5.0.0m and have reached altitudes of 6.00m. How long is the flying fish airborne
How much work must be done on the electron to move it to negative plate if it is initially positioned 2.86 mm from the positive plate.
A rocket moves with a velocity of 0.91c to the right with respect to a stationary observer A. What is the velocity of observer
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