Ask Question
13 May, 02:04

A ball rolls along a smooth horizontal floor at 10 m/s, then starts up a 20 degree ramp. How high does it go before rolling back?

+4
Answers (1)
  1. 13 May, 02:29
    0
    If we neglect friction then only mgsin20 lower the speed of the ball

    ma=mgsin20

    a=gsin20=3.4 m/s^2

    of course we insert it next formula with a negative because the speed decreases

    v^2-v0^2=2ah

    100-0=6.8h

    h=100/6.8=14.7 m
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “A ball rolls along a smooth horizontal floor at 10 m/s, then starts up a 20 degree ramp. How high does it go before rolling back? ...” in 📙 Chemistry if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers