Recent content by Nikki196

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    Snell's Law/Critical Angles Problem

    I know how to do critical angle problems, using snell's law, but i was given a circle and I'm not sure how i should go about finding the incident angle.. If someone could help me out with that it would be awesome! THX Nicole
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    How Do You Calculate Physics Machine Efficiency and Power?

    I have a few questions I've been having troubles with, and I was hoping someone could help me out... 1) A machine does 4000 J of work in accelerating a 20 kg object, intially at rest, at 3.0 m/s2 for 5.0s determine a) The efficiency of the machine b) The power output of the machine 2)A...
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    High School Grade 11 Physics Help: Questions & Answers

    I have a few questions I've been having troubles with, and I was hoping someone could help me out... 1) A machine does 4000 J of work in accelerating a 20 kg object, intially at rest, at 3.0 m/s2 for 5.0s determine a) The efficiency of the machine b) The power output of the machine 2)A...