Which action makes use of a magnetic force?
A.
A person puts a bank card in an electronic re...
Which action makes use of a magnetic force?
A.
A person puts a bank card in an electronic reader to buy an item.
B.
A parent measures a child’s temperature by touching a thermometer to the child’s head.
C.
A store clerk finds the price of an item by moving the item over a laser light.
D.
A student measures the mass of a book using a spring scale.
Answers: 1
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Astone dropped into a well is heard to strike the water after 8seconds. find the depth of the well if the velocity of sound is 350m/s
Answers: 1
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If you wanted to move an electron from the positive to the negative terminal of the battery, how much work w would you need to do on the electron? enter your answer numerically in joules.
Answers: 1
Physics, 22.06.2019 17:30
How does the entropy of steam compare to the entropy of ice?
Answers: 2
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