When referring to the "cgs" system, what does the "c", the "g", and the "s" stand for?
What will be an ideal response?
centimeter, gram, and second
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Sit on the floor with your legs straight out, raise your straight arm out with your thumb up such that your thumb aligns with one of your big toes, rapidly blink your left and right eye, and observe how your big toe appears to shift positions. This demonstration is an example of _________________
a. Newton's first law b. uniform circular motion c. parallax d. retrograde motion
You are walking on a solid surface. The surface gravity is comfortable, but it is "hot, hot, hot!" Your body is being squeezed in all directions due to the high pressure; it's almost like being deep in the ocean. Your life-support belt is corrod
The Sun, barely visible through the haze, is near your meridian. You hope for nightfall (unaware that it would provide no relief), but you already have been stuck on this planet for nearly 72 hours, and the Sun seems not to have moved through the sky (and, if it moved at all, it moved eastward from the meridian).
A point charge Q is placed on the x axis at the origin. An identical point charge is placed on the x axis at x = ?1.0 m and another at x = +1.0 m. If Q = 40 ?C, what is the magnitude of the electrostatic force on the charge at x = +1.0 m?
a. 29 N b. 14 N c. 11 N d. 18 N e. 7.0 N
A football is thrown upward at a 30.0° angle to the horizontal. To throw a 40.0-m pass, what must be the initial speed of the ball?