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Solve the each part of following question given below:
Question: A telescope can be used to enlarge the diameter of a laser beam and limit diffraction spreading. The laser beam is sent through the telescope in opposite the normal direction and can then be projected onto a satellite or the moon.
Question I: If this is done with the Mount Wilson telescope, producing a 2.54 m diameter beam of 580 nm light, what is the minimum angular spread of the beam?
Question II: Neglecting atmospheric effects, what is the size of the spot this beam would make on the moon?
Show all work, use additional paper if necessary.
A guy is spinning initially at a constant rate with his arms at his sides. He then puts his arms straight out. How much does his moment of inertia change when he sticks his arms out
A mass-spring system oscillates with period of 0.23 sec. The spring's spring constant k = 450 N/m. What mass is attached to the spring
A converging lens of focal length 7.90 cm is 19.3cm to the left of a diverging lens of focal length -6.01 cm. A coin is placed 11.9 cm to the left of the converging lens. Compute the magnification of the coin's final image.
Two charges are separated by some distance and the magnitude of the electric force between them is 224.6 Newtons. If the distance between the same two charges is tripled, what is the magnitude of the electric force on them now in Newtons?
A large iron cylinder of mass 265 kg rests so that its circular face rolls along the edge of a table, How far has the system moved along the horizontal
A subway train starts from rest at a statrion and accelerates at a rate of 1.65m/s^2 for 14.2s. Find the total distance covered
It continues to fly along the same horizontal arc, but increases its speed at the rate of 1.45 m/s2. Find out the acceleration in this situation at the moment the hawk's speed is 4.60 m/s.
The current supplied by a battery in a portable device is typically 0.131 A. Find the number of electrons passing through the device
A 8.5 omegacap.gif resistor and a 5.9 omegacap.gif resistor are connected in series with a battery. Find the potential difference across the battery
A 73 kg canoeist standsi n the middle of her 22 kg canoe. Calculate the distance from the canoeist to the shore
Two concentric metallic spheres of radii r1 and r2> r1, respectively, are maintained at temperatures T1 and T2, and are separated by a layer of homogeneous material thermal conductivity k.
A proton is to orbit Earth at the equator using Earth's magnetic field to supply part of the necessary centripetal acceleration. In what direction should the proton move?
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