Which of these are sources of chemical energy?
a: lamps
b: running water
c: ac...
Physics, 20.09.2019 19:00 kykylove1126
Which of these are sources of chemical energy?
a: lamps
b: running water
c: acorns hanging on a tree
d: none of the above
Answers: 1
Physics, 22.06.2019 11:00
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 16:50
Aresistor with an unknown resistance is connected in parallel to a 9 ω resistor. when both resistors are connected in parallel to an emf source of 21 v, the current through the unknown resistor is measured with an ammeter to be 4 a. what is the resistance of the unknown resistor? answer in units of ω.
Answers: 3
Physics, 22.06.2019 21:30
The diagram shows a boulder rolling down a hill into a valley and then up the opposite hill. at which position does the boulder have the greatest kinetic energy? a b c d
Answers: 2
English, 19.04.2020 01:43
Mathematics, 19.04.2020 01:43
English, 19.04.2020 01:43
History, 19.04.2020 01:43
Mathematics, 19.04.2020 01:44
Mathematics, 19.04.2020 01:44