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OpenStudy (blackbird02):
A 13 meter long wooden beam slides down a vertical wall while the other end moves along a horizontal plane at a constant rate of 3 m/sec. What is the speed in m/sec and acceleration of the upper end of the beam when the lower end of the beam is 5 m from the wall?
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OpenStudy (blackbird02):
I already have the first steps. I'm just not sure about the acceleration.
OpenStudy (blackbird02):
The speed is -15/12 m/sec right?
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