Question
Stephanie serves a volleyball from a height of 0.76 m and gives it an initial velocity of +7.2m/s straight up.How high will the volleyball go? The acceleration of gravity is 9.81 m/s2.
Answer in units of m.
2) How long will it take the ball to reach its maximum height? Answer in units of s.
Answer in units of m.
2) How long will it take the ball to reach its maximum height? Answer in units of s.
Answers
bobpursley
vi^2=mgh where h is the height above .76m, so add that to h.
how long? when you find the h(before you add)
h=vi*t-4.9t^2 solve for t.
how long? when you find the h(before you add)
h=vi*t-4.9t^2 solve for t.
Anonymous
52.6
Anonymous
1.88