With all the questions that still exist in regard to our universe, galaxies, stars, planets, and more, there are tons of questions that have yet to even be asked What questions do you have about the universe and astronomy? Choose two of the top questions that you have and explore various possibilities for how they could be answered.
Answers: 2
Physics, 21.06.2019 21:30
How many seconds does it take a pebble released from rest off a bridge to fall 29.4 m ? what is the pebble's speed when it has fallen 29.4 m ?
Answers: 1
Physics, 22.06.2019 10:10
Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.
Answers: 2
Physics, 22.06.2019 12:30
Cathy is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling. cathy and her bicycle have a mass of 75 kg. assuming her bicycle is 100% efficient, what would her speed have to be?
Answers: 3
Physics, 23.06.2019 02:30
If frequency goes down, what happens to wavelength? does it get shorter or longer?
Answers: 2
With all the questions that still exist in regard to our universe, galaxies, stars, planets, and mor...
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