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Question: Read the following paper:
N.D. Finkelstein, W.K. Adams, C.J. Keller, P.B. Kohl, K.K. Perkins, N.S Podolefsky, and S. Reid, "When learning about the real world is better done virtually: A study of substituting computer simulati
This paper compares teaching circuits using a a virtual lab and using a real lab.
Prompts: 1. Has this paper persuaded you to use the PhET or similar simulation when you teach circuits? Why or why not? (Note: If you do not teach circuits, consider what you would do if you did teach circuits.)
2. In general, what are the strengths and weaknesses of virtual labs? What are the strengths and weaknesses of hands-on labs?
Artificial gravity is a must for any space station if humans are to live there for any extended length of time. Without artificial gravity, human growth is stunted and biological functions break down. An effective way to create artificial gravity ..
Comment on how Japan handled the nuclear problems associated with the tsunami. Is the threat over? Are people still at risk? Is the risk fully known?
Find the pressure difference on an airplane wing where air flows over the upper surface with a speed of 128 m/s, and along the bottom surface with a speed of 100 m/s
A 1.2 kg block is released from rest at point A and follows the curved guide as indicated. At point A this block is located 2.2 m higher than at point B. At what speed do the blocks move off to the right
Why do gymnasts use floor mats that are very thick? Why does a baseball catcher's mitt have more padding than a conventional glove?
A rifle with a barrel length of 59 cm fires a 8 g bullet with a horizontal speed of 350 m/s, What resistive force (assumed to be constant) does the wood exert on the bullet
The first has a magnitude of 128 cm and makes an angle of 113 degrees with the positive x axis. The resultant displacement has a magnitude of 180 cm and is directed at an angle of 39 degrees to the positive x axis.
plot a lorentzian emission line centered at 10 ghz having a half width at half maximum corresponding to 225 mhz which
Two conducting rails 31.5 cm apart rest on a 4.97° ramp. They are joined at the bottom by a 0.750 ohm resistor, What is the terminal (steady) velocity of the bar as it slides frictionlessly down the rails
A 4.00 kg model rocket is launched, expelling 46 g of burned fuel from its exhaust at a speed of 590m/s. What is the velocity of rocket after the fuel has burned? Hint: overlook the external forces of gravity and air resistance.
A string is clamped at one end and the other end rests on a light, frictionless pulley with a mass hanging below it to provide a tension. What is the mass on the end of the string
question two capacitors give an equivalent capacitance of 9.0pf when connected in parallel and an equivalent
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