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An arrow is shot from a height of 1.55 m toward a cliff of height H....

An arrow is shot from a height of 1.55 m toward a cliff of height H. It is shot with a velocity of 31 m/s at an angle of 60º above the horizontal. It lands on the top edge of the cliff 3.69 s later. (a) What is the height of the cliff? (b) What is the maximum height reached by the arrow along its trajectory? (c) What is the arrow’s impact speed just before hitting the cliff?

For part a) H=38.06m is not correct as well as 171.5m.  

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Answer #1

Maxtej* tak to ruaii max 31 sin,68 - 2.739 sec 2. 2 26.846 x2-119-4.9 x (2.739) 3-77m +1 qt 4.431 m

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