Asked by GraceW1

You toss a quarter straight up. It takes about 2.6 seconds for it to land back on your hand at the same height you tossed it. Find the speed at which you tossed the quarter.
Answered by Henry
Tr = 2.6/2 = 1.3 s = Rise time.

V = Vo + g*Tr.
V = 0 @ max h.
g = -9.8 m/s^2.
Tr = 1.3 s.

Vo = ? (m/s).
Answered by victoria
just multiply the a(t) so
9.8(1.3)=12.74 and just keep it positive
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