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October 25, 2014

Homework Help: physics

Posted by frank on Monday, September 6, 2010 at 10:13pm.

Consider a rock that is thrown off a bridge of height 27 m at an angle θ = 24 with respect to the horizontal as shown in the figure above. If the initial speed the rock is thrown is 12 m/s, find the following quantities:
(a) The time it takes the rock to reach its maximum height.
s

(b) The maximum height reached by the rock.
m

(c) The time at which the rock lands.
s

(d) The place where the rock lands.
m

(e) The velocity of the rock (magnitude and direction) just before it lands.
Magnitude Direction
m/s

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