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A worker drops a wrench from the top of a tower 92.6 m tall. What is the velocity when the wrench strikes the ground? The acceleration of grav- ity is 9.81 m/s2. Round to the nearest hun- dredth place
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Jul 12, 2018
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A worker drops a wrench from the top of a tower 92.6 m tall. What is the velocity when the wrench strikes the ground? The acceleration of grav- ity is 9.81 m/s2. Round to the nearest hun- dredth place
Chemistry
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Pkananen
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Assuming the wrench was originally at rest (u=0 m/s).
height = 92.6 m = s; g = 9.81 m/s2
s = (v^2-u^2)/2g
Therefore, v=sqrt(2 * g * s)
v = sqrt (2 * 9.81 * 92.6) m/s
v = 42.62 m/s
Sherman
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Jul 19, 2018
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