Post a New Question

Physical science

posted by .

A ball thrown upward reaches a height of 13m. How much time did it take to get to this height? How much time will take to fall to the ground?

  • Physical science -

    consider energy.
    1/2 mv^2=mg*13

    V =sqrt(2*9.8*13) that is the initial velocity.
    the average velocity going up is half that, so time up= 12/(1/2 sqrt(2*9.8*13)

    grab your calculator.

    Time down is the same as time up.

  • Physical science -


Answer This Question

First Name
School Subject
Your Answer

Related Questions

More Related Questions

Post a New Question