An object is projected with initial speed v0 from the edge ofthe roof of a building that has height H. The initial velocity of the objectmakes an angle a0 with the horizontal. Neglect air resistance. If a0 = -90, so that the object is thrown straight down, what is its speed just before it strikes the ground?
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An object is projected with initial speed v0 from the edge of
the roof of a building that has height H. The initial velocity of the object
makes an angle a0 with the horizontal. Neglect air resistance. If a0 = -90, so that the object is thrown straight down,
what is its speed just before it strikes the ground?
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