Carol is stationary midway between two light bulbs and observes that they turn on at the exact same time. You are moving near the speed of light toward the light bulb to Carol's left. What do you observe?
A) You observe the light bulb to the left turns on first.
B) You observe the light bulb to the right turns on first.
C) You observe the light bulbs turn on at the same time, like Carol.
D) The order of the events depends on how fast you are moving.
A) You observe the light bulb to the left turns on first.
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White light is sent through a prism, and the various colors are separated in typical fashion. Which of the following colors would have the highest index of refraction in this prism?
a. green c. blue b. red d. yellow
Electromagnetic induction occurs in a coil when there is a change in
A) electric field intensity in the coil. B) magnetic field intensity in the coil. C) electromagnetic polarity. D) none of the above
A(n) _____________material has the same properties in all directions.
Fill in the blank(s) with the appropriate word(s).
Newton's law of gravitational force states that ____
a. an object with no force on acting on it continues at rest or moves in uniform motion in a straight line with constant velocity b. an object with no force on it moves in a straight line with constant acceleration c. for every action, there is an equal and opposite reaction d. the force between two objects is directly proportional to the product of their masses and inversely proportional to the distance between them squared e. an object with a force on it is accelerated in the direction of the force an amount inversely proportional to its mass and directly proportional to the size of the force