Physics, 29.01.2020 20:52 aprilstalder
What is currently the most supported theory about the future of the universe
a.)the universe could remain exactly as it is today
b.) the universe may continue to expand
c.) stars could burn out , causing the universe to become dark and cold
d.) gravity could pull galaxies back together causing a reverse of the big bang
Answers: 3
Physics, 21.06.2019 23:30
1.in one challenge on the titan games, competitors have to lift 200 pounds up a long ramp. angel is able to move the weight in 42 seconds. anthony gets it done in only 38 seconds. which statement is true? angel has more power than anthony. angel does more work than anthony. anthony does more work than angel. anthony has more power than angel. 2.a mountain climber exerts 41,000 j of work to climb a cliff. how much power does the climber need if she wants to finish in only 500 seconds? power = work / time 20,500,000 watts 82 watts 0.0122 watts 41,500 watts 3.your family is moving to a new apartment. while lifting a box 83 joules of work is done to put the box on a truck, you exert an upward force of 75 n for 3 s. how much power is required to do this? (hint: you only need two of the 3 numbers given! ) power = work / time 249 watts 25 watts 2075 watts 27.7 watts
Answers: 1
Physics, 22.06.2019 05:30
Could someone . i have tried to solve myself but my calculation is off
Answers: 3
Physics, 22.06.2019 12:00
In an experiment, how can i change human errors? be specific.
Answers: 1
What is currently the most supported theory about the future of the universe
a.)the universe...
a.)the universe...
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