Physics
Physics, 01.10.2019 12:30, amayaiscool3886

Which of the following statements is true about electric forces? a. electric forces cause objects to only attract each other. b. electric forces cause objects to only repel each other. c. electric forces cause objects to repel or attract each other. d. electric forces have no effect on each other.

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Physics, 19.07.2019 13:30, XAINEE
Which two statements are true? a. the definitions for electric force and electromagnetic force are identical. b. electric forces and magnetic forces are different aspects of a single electromagnetic force. c. the operation of a motor depends on the relationship between electric and magnetic forces. d. a magnet must be moving for a magnetic force field to exist.
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Physics, 11.09.2019 18:30, nayelialvarez5950
Aphysicist conducts two experiments: experiment 1: initially, two objects, each equal to the charge and mass of one electron, are spaced one meter apart; the electric and gravitational forces are measured. then, the charge and mass of each object is increased by the charge and mass of one electron; again, the electric and gravitational forces are measured. the experiment continues adding mass and charge in the same increments until the objects have the masses and charges equivalent to 10 electrons. experiment 2: initially, two objects, each equal to the charge and mass of one electron, are spaced one meter apart; the electric and gravitational forces are measured. then, the objects are moved 1 meter farther apart; again, the electric and gravitational forces are measured. the experiment continues increasing the distance in one-meter increments until the objects are 10 meters apart. how will the gravitational and electric forces between the objects change in each experiment? a in experiment 1, the gravitational and electric forces will increase as the square of the charge and mass increase. in experiment 2, the gravitational and electric forces will decrease as the square of the distance increases. b in experiment 1, the gravitational and electric forces will increase as the square of the charge and mass increase. in experiment 2, the gravitational and electric forces will decrease linearly as the distance increases. c in experiment 1, the gravitational and electric forces will increase linearly as the charge and mass increase. in experiment 2, the gravitational and electric forces will decrease as the square of the distance increases. d in experiment 1, the gravitational and electric forces will increase linearly as the charge and mass increase. in experiment 2, the gravitational and electric forces will decrease linearly as the distance increases.
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Biology, 17.09.2019 12:30, emmaguentherp3hjd3
Which two statements are true? a.) the definitions for electric force and electromagnetic force are identical. b.) electric forces and magnetic forces are different aspects of a single electromagnetic force. c.) the operation of a motor depends on the relationship between electric and magnetic forces. d.) a magnet must be moving for a magnetic force field to exist.
Answers: 1
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