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Write neat please. Show step by step please. Read instructions carefully. do all problems please. double...
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Question 9 1 pts How many Joules of energy are in one kilowatt-hour? O 60). 3.6 MJ. 60 MJ. O1J Question 10 1 pts Two identical arrows-one with twice the kinetic energy of the other-are fired into a hay bale. The faster arrow will penetrate ... None of the other answers are correct. more than...
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Question 1 1 pts Which of the following is a scientific statement? O Matter is filled with undetectable particles. There are things we will never know about. None of the other answers are correct. O There are parts of the universe that will never be found by man. D Question 2 1 pts It takes...
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Question 43 1 pts Rapid changes of a magnetic field induces an electric field. a magnetic field of the same magnitude. a magnetic field of greater magnitude. Question 44 1 pts The Doppler effect causes light that reaches our eyes to O appear red for stars that are moving away from us.. O not be...
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Question 39 1 pts A positively charged particle is moving to the right in the plane of this paper. A magnetic field points upward toward the top in the plane of this paper. The magnetic force on the charged points out of the screen toward you. upward in the plane of the screen. to the...
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Question 29 1 pts Two charged particles repel each other with a force F. If the charge of one of the particles is doubled and the distance between them is also doubled, then the force will be OF/4. OF/2. OF 0 2F Question 30 1 pts Charge carriers in a metal are electrons rather than...
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Question 17 1 pts A metal block has a mass of 5 grams and a volume of 1 cubic centimeter. A piece of the same kind of metal with a volume of 2 cubic centimeters has a density 2.5 g/cc. 5 g/cc. 10 g/cc. Question 18 1 pts Ice cubes submerged at the bottom of...
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Question 48 1 pts Current moves through a wire at nearly the speed of light because the electric field propagates at nearly the speed of light. the electrons move along the wire at nearly the speed of light. the protons move along the wire at nearly the speed of light. Question 49 1 pts Three...
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Question 37 1 pts Compared to a single lamp connected to a battery, two identical lamps connected in series to the same battery will carry less current. the same current. O more current. Question 38 1 pts If a compass is moved from the northern hemisphere to the southern hemisphere, its magnetic needle will change...
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Question 13 1 pts The force of gravity acts on all apples on an apple tree. Some apples are twice as far from the ground as others. The twice-as-high apples, which are of equal mass as the others, have 1/4 the weight O practically the same weight. 1/2 the weight. Question 14 1 pts For...
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Question 33 1 pts A 60-W light bulb and a 100-W light bulb are each connected to separate 120 V outlet. Which light bulb has more current in it? Both have the same current. O The 100-W bulb. O The 60-W bulb. Question 34 1 pts Two lamps, one with a thick filament and one...