Posted by Dasa on Friday, June 13, 2014 at 10:10am.
A person standing on top of a building throws a ball with a horizontal velocity of 14 m/s. If the ball strikes the ground 65 m from the base of the building, how high is the building?

physics  Damon, Friday, June 13, 2014 at 12:46pm
distance = speed * time with no force in horizontal direction
65 = 14 t
t = 4.64 seconds in the air
In the vertical direction it simply falls a distance h
h = (1/2) g t^2 = 4.9 (4.64^2)
h = 106 m

math  babe, Saturday, November 14, 2015 at 7:22pm
#dont know )=

physics  babe, Saturday, November 14, 2015 at 7:23pm
#dont know )= sorry, i knowed it but i forgot
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