The acceleration of a body is given by the slope of a graph plotting
A. velocity versus distance travelled.
B. time versus velocity.
C. time versus distance travelled.
D. distance travelled versus time.
E. velocity versus time.
Answer: E
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An ordinary glass lens forms an image by ____________ of light
a. reflection b. refraction c. diffraction
Total Internal Reflection: A glass plate having an index of refraction is 1.66 is immersed in a certain alcohol. The surface of the glass is inclined at an angle of 44° with the vertical. When a horizontal ray in the glass strikes the interface, you observe that it is at the critical angle. What is the index of refraction of the alcohol?
A. 1.15 B. 1.13 C. 1.11 D. 1.09 E. 1.17
The Trojan asteroids orbit the Sun at an average distance of ________.
A. 60 behind B. 60 ahead C. 100,000,000 miles D. 5.2 AU
According to the well-known equation E = mc2,
A) mass and energy travel at the speed of light squared. B) energy is actually mass traveling at the speed of light squared. C) mass and energy travel at twice the speed of light. D) mass and energy are related. E) none of the above