a 2kg ball is traveling at 15 m/s at position 1. calculate the gravitational positional energy, kinetic energy and total mechanical energy for the Earth object system and the velocity of the object at the indicated positions below. assume no energy losses due to friction.
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Ais not a compound machine. a. bolt b. shovel c. handcart (dolly) d. see-saw (teeter totter)
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Yvette hangs a 2.4kg bird feeder in the middle of a rope tied between two trees. the feeder creates a tension of 480 n in each side of the the rope.
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Your science teacher brings in a speaker to talk to your class about climate change. during the session, students ask a few questions. which questions are related to the current evidence on climate change
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Scientist have use computer models to create a series of maps that show how susceptible coastal cities in island countries are to the sea rising at different levels.the map shows that a 1 meter rise would swap cities all along the us eastern seaboard. a 6-meter sea level rise with sub merge a large part of florida. thermal expansion has already raise the oceans 10 to 20 centimeters the most likely cause,directly and indirectly, for such a rise in sea level is
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a 2kg ball is traveling at 15 m/s at position 1. calculate the gravitational positional energy, kine...
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