A person standing on a bridge 120m above a river drops a
A person standing on a bridge 120m above a river drops a 250g rock.
a. what is the rocks potential energy before it isdropped?
b. What is the rock's kinetic energy as it reaches thewater?
c. At what speed does the rock hit the water?
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nitric acid whose worldwide annual production is nearly 10 billion kilograms is used to make many products including
a force of 25 n at an angle of 37 degrees with thehorizontal pulls a 10 kg crate along a horizontal surfce ofdistance
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your response should be at least 350 words in lengthcourse textbookspiro r l rich ga amp stanton w j 2008 management of
a person standing on a bridge 120m above a river drops a 250g rocka what is the rocks potential energy before it
a planets moon travels in an approximately circular orbit ofradius 90 107 m with a period of 6 h 34 min calculate the
a 100 kg cannon at rest contains a 10 kg connon ball when fired the cannon ball exits the cannon with a speed of 90ms
when gasoline burns in a car engine the heat released pushes the pistons outward if the expanding gases do 451 j of
your response should be at least 350 words in length please use my course book only all sources used including the
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