A projectile is launched straight upward at +63.5 m/s from a heightof 99.5 m, at the edge of a sheer cliff. The projectile falls, justmissing the cliff and hitting the ground below.

a) Find the time it takes to hit the ground at the base of thecliff

b)Find its velocity at impact (include sign).

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Jean KeelingLv2

13 Nov 2019

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