reloads the page with new variable values in all questions. You must do this after grading the test to rework it another time.
Make sure to enter your answers in the specified units .
A boy whose mass is 70 kilograms rides up in an elevator. If he gets off the elevator
If I were to throw a ball vertically upward, how fast would it have to be going in order to touch the ceiling which is
A pendulum is moving at
Could Alex Kapp kick a ball fast enough for it to hit the lab ceiling? (1=Yes 2=No)
Once you have submitted your answers for grading by clicking the grade button, you
cannot resubmit answers
for the same Problem Set--you must use the 'New Problems' button first.
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