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pyhsiclover

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PLEASE GIVE THE ANSWER,I ALREADY INPUT TO YOUR FORMULA AND IT IS FALSE...Is your answer 0.57? A 15 kg, 1m wide door which has
1. 3 answers
2. 706 views
what is the critical density in # atoms of hydrogen per cubic meter?
1. 1 answer
2. 411 views
A 15 kg, 1 m wide door which has frictionless hinges is closed but unlocked. A 400 g ball hits the exact middle of the door at a
1. 5 answers
2. 1,004 views
Fortune tellers use crystal balls to see the future. A fortune teller has a crystal ball with an index of refraction of 1.5 and
1. 0 answers
2. 377 views

Answers (2)

wrong.....i answer 0.5722 too? @- Count Iblis do you know the answer?
Thank you :) but if u don't mind,can u explain it?

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