Physics, 25.07.2019 10:30 robert7248
Anna learned that every magnet has a north and a south end called poles. one day, while she is playing with magnets she notices that when she puts the north end of a magnet near the south end of another magnet, they pull together. what can anna conclude from her observation? a) opposite poles of magnets repel. b) opposite poles of magnets attract. c) the north pole picks up iron nails. d) only the north pole has an attractive force.
Answers: 2
Physics, 22.06.2019 06:30
How much force was applied to an object if was moved 2 meters and the work done on the object was 8 joules? a. 0.25 n b. 4 n c. 6 n d. 16 n
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Physics, 22.06.2019 11:00
The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space.b. we'll know it immediately because it will be brighter than the full moon in the sky.c. we won't know about it until 600 years from now.d. none of the above.
Answers: 3
Physics, 22.06.2019 12:50
Which changes would result in a decrease in the gravitational force btween two objects? check all that apply
Answers: 1
Anna learned that every magnet has a north and a south end called poles. one day, while she is playi...
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