B. physical change
Physics, 10.12.2020 01:00 maevemboucher78
Breaking a pencil in half is an example of: options:
A. nuclear change
B. physical change
C. chemical change
Answers: 3
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Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?
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I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.
Answers: 1
Physics, 22.06.2019 15:10
In the circuit, the switch s has been open for a long time and r = 125 kohm. it is then suddenly closed. (a) determine the time constant before the switch is closed. s (b) determine the time constant after the switch is closed. _ s (c) let the switch be closed at t = 0. find the current in the switch as a function of time. (use t for time. express your answer in milliamps and seconds.) i(t) =_
Answers: 3
Breaking a pencil in half is an example of: options:
A. nuclear change
B. physical change
B. physical change
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