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Question 1. Why are most modern telescopes reflecting telescopes? A) Lenses can easily breakB) Only visible light can be refractedC) Mirrors are easier to buildD) CCD cameras only work on reflecting telescopesE) none of the above Question 2. A typical amateur telescope is 7 inches in diameter, while the telescope we are installing at CSU Stanislaus is 21 inches in diameter. How much more sensitive is the CSU telescope than a typical amateur telescope?A) 2 timesB) 9 times C) 3 times D) 6 times E) 12 times Question 3. Which types of electromagnetic radiation can be seen from the surface of Earth? A) Gamma rays and X-rays B) Visible light and Infrared C) Infrared light and Radio waves D) Infrared and Ultraviolet E) Visible light and Radio waves Question 4. A neutral hydrogen atom consists of A) one protonB) an isotope and an ionC) one proton and one electronD) one proton, one neutron, and one electron. E) one proton and one neutron
Question 5. The temperature of an object from which no heat energy can be extracted is A) 100 degrees Kelvin B) 0 degrees Kelvin C) 0 degrees CentigradeD) 0 degrees Fahrenheit E) 100 degrees Centigrade
A small object with a mass of 360 mg carries a charge of 30.0 nC and is suspended by a thread between the vertical plates of a parallel-plate capacitor. The plates are detached by 2.40 cm. If the thread makes an angle of 17.0° with the vertical, what..
A 40 percent efficient electric power plant produces 900MW of electric power and discharges waste heat into 30 C ocean water. Suppose the waste heat could be used to heat homes during the winter instead of being discharged into the ocean. A typical A..
From the shape of total energy vs. time plot, what can you conclude about the conservation of mechanical energy in your mass and spring system.
What would be apparent speed of the spacecraft image
Compute the coefficient of kinetic friction
A rectangular container measuring 23 cm 51 cm 65 cm is filled with water. What is the mass of this volume of water in kilograms and grams.
How long does it take for amplitude to drop to half its initial value . How long does it take for mechanical energy to drop to half its initial value.
At a temperature of 5800, hydrogen atoms in the solar atmosphere have typical random speeds of about 12. Assume that spectral-line broadening is simply the result of atoms moving toward us or away from us at this random speed, estimates thermal width..
What is the total flux
A plane first moves from the origin to point A located at 170 km in direction of 30 degree north of east after that it flies 150 km 20 degree west of north to point B finally it flies 195 km due west to point C. find the location of C from origin.
A disk of radius R = 9 cm is pulled along a friction less surface with a force of F = 15 N by a string wrapped around the edge. At the instant when d = 28 cm of string has unwound off the disk, what is torque exerted about the center of the disk.
Intuitively, the man will not catch the bus unless he is running fast enough. In mathematical terms, there is a constraint on the man's speed so that the equation above gives a solution for that is a real positive number.
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