Physics, 27.06.2019 05:00 Kitty10101
How does an atom of potassium-41 become a potassium ion with a +1 charge? 19 k 39.10 a. the atom gains 1 proton, to make a total of 20. b. the atom loses 1 electron, to make a total of 18. c. the atom gains 1 proton, to make a total of 42. d. the atom loses 1 electron, to make a total of 21.
Answers: 1
Physics, 21.06.2019 17:20
Explain why the aperture of the spherical mirror should be small compared to the radius of curvature of the mirror.
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Physics, 22.06.2019 04:00
Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.
Answers: 2
Physics, 22.06.2019 04:20
When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.
Answers: 1
Physics, 22.06.2019 08:00
Ms.hidalgo opens the door to her classroom. her classroom is 60 degrees and the air outside is 80. predict what will happen using your knowledge of how heat flows.
Answers: 2
How does an atom of potassium-41 become a potassium ion with a +1 charge? 19 k 39.10 a. the atom ga...
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