Recent content by janhen200

  1. J

    2 Dimensional Motion and Vectors Help

    Homework Statement A person standing at the edge of a seaside cliff kicks a stone over the edge with a speed of 18 m/s. The cliff is 52 m above the water's surface. How long does it take for the stone to fall to the water? With what speed does it strike the water? Homework Equations The...
  2. J

    Vector Problem: Get Home from 15.0 km Away

    Ok, thanks alot. You've been a great help.
  3. J

    Vector Problem: Get Home from 15.0 km Away

    Is the answer 11.1? I used pythagorean theorem. a=10 b=x c=15 10^2 + b^2= 15^2 b=11.1 He needs to walk 11.1 km east to get home Please let me know whether this is right or wrong.
  4. J

    Vector Problem: Get Home from 15.0 km Away

    so far, I've done this and I'm not sure whether or not I am correct. l \ l \ l \ --->15 km l \ l___\ ----> 40 degrees sorry, I am really bad at making diagrams on the computer. It just wanst coming out right. Basically i mae a triangle, with a hypotenuse of 15 and one of...
  5. J

    Which of these methods can break ionic bonds between amino acids?

    High temperature will break the bond, while a change in pH will affect the ionic bond (as said by Kushal).
  6. J

    Courses Maximizing Time Management While Handling 6 Courses

    Believe me, sticking to lectures will be your saving grace. You may learn new material that would know on your own. If you stop attending lectures, you'll find yourself falling behind even more. Only miss them if the situation really calls for it.
  7. J

    GERM101: Struggling with Too Much German Homework

    yeah, unfortunately there are many annoying professors nowadays such as your German one. As for Rosetta Stone, I know it's a great program that will help you master any language in a small amount of time. A friend of mine who struggled with Spanish used it and now he's somewhat of a fluent...
  8. J

    Vector Problem: Get Home from 15.0 km Away

    I need help on this vector problem. We haven't started yet, but this was one of the problems on the syllabus. Your home is 15.0 km at a direction 40 degrees northwest. If you walked 10.0 km north, in what direction and distance would you have to walk to get home? Your help will be greatly...
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