Which hypothesis is most supported by astronomers?
A) The universe is currently expandin...
Physics, 01.04.2020 00:23 micahsocool23
Which hypothesis is most supported by astronomers?
A) The universe is currently expanding and will continue to expand.
B) Stars could burn out, causing the universe to become dark and cold.
C) Gravity could pull galaxies back together, causing a reverse of the big bang.
D) Dark energy will pull the universe together to form a massive black hole.
Answers: 2
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After a big snowfall, you take your favorite rocket-powered sled out to a wide field. the field is 195 m across, and you know that your sled accelerates at a rate of 3.65 m/s2 when the rocket is on. how much time will it take the sled to cross the field starting from rest, assuming the rocket is on the whole time?
Answers: 1
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If there's a small amount of friction between two surfaces, the result could be select all that applya. no movement b. heatc. a little bit of movementd. sliding around
Answers: 2
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The direction of the current in an alternating current circuit remains constant. is direct. changes repeatedly. changes randomly.
Answers: 1
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