Physics, 30.01.2020 03:56 allisonmareesanders2
What provides the source of the earth’s magnetic field?
the north and south poles of the earth.
the sun.
the ocean’s electric currents.
the core of the earth.
Answers: 1
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Afixed electric space heater wired by a cable with an ampacity of 30 a should draw a maximum current of a. 30 a. b. 24 a. c. 15 a. d. 27 a.
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Immediately upon reaching its lowest point, a falling pendulum bob has its greatest amount of energy, which is the initial amount of potential energy. a. heat; less than b. heat; more than c. kinetic; less than d. kinetic; more than
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Ablock having mass m slides down an inclined plane. the force of friction between the block and the inclined plane is f, the block's weight is m g, and the normal force is n. (a) draw a free – body force diagram showing the forces acting on the block. (b) write down all relevant newton’s equations for a given situation.
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Ascientific blank must be testable and capable of being proven false?
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What provides the source of the earth’s magnetic field?
the north and south poles of the eart...
the north and south poles of the eart...
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