Physics, 04.04.2020 10:55 djnkyworld
This is a kind of electroscope student made in science class to study charges. Student Procedure: ~Tear off two pieces of tape, each 4 inches (10 cm) long. ~Press each piece firmly on the work table leaving one end of each tape piece sticking up as a handle. ~Quickly pull the tapes from the table and stick one piece on the arm of a straw in one film canister, and the other piece on the arm of a straw in the other film canister. ~Move the canisters so the two pieces of tape are face to face, about 6 inches apart. ~Slowly move the canisters closer together. This is a photograph of what occurred as the canisters were moved toward each other. Which of these conclusions is NOT accurate. A) The pieces of tape have like charges. B) The charged pieces of tape exert a force on each other. C) Because the pieces of tape have like charges they will repel each other. D) The closer the canisters get, the less likely the pieces of tape will repel.
Answers: 2
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Using a wheel and axle, a farmer is trying to lift a bucket of water from the bottom of a well. the larger wheel has a radius of 40 cm compared to the axle that has a radius of 10 cm. if a bucket of water is 50 n, then how much effort is required to raise it? 12.5 n 200 n 2 n 500 n
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This is a kind of electroscope student made in science class to study charges. Student Procedure: ~T...
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