Physics, 19.07.2019 12:00, nckishaford

Which of these reduces friction car breaks, tire treadmill, ball bearings, sand paper?

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Physics, 22.06.2019 15:30, bloodry

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples

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Physics, 23.06.2019 08:10, Ashleymsmith

Which of the following situations would produce an average velocity of zero? o a. a horse galloping in a field b. a round-trip to school and back o c. a trip, first to the moon, then onto mars o d. the criss-crossing path of a flying bug