Physics, 02.07.2019 23:40 greystokey
Agirl is standing on a trampoline. her mass is 65 kg and she is able to jump 3 m. what is the spring constant for the trampoline? (logger pro? )
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Convection currents are caused by differences in what two things?
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Which radioisotope is used in dating geological formations?
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When a pendulum is held high and taut and then is released, the pendulum begins to swing. whatโs the correct order of the energy transformations in this example? (pe stands for potential energy.)
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Physics, 23.06.2019 07:30
Aspring has a relaxed length of 33 cm (0.33 m) and its spring stiffness is 6 n/m. you glue a 76 gram block (0.076 kg) to the top of the spring, and push the block down, compressing the spring so its total length is 15 cm. you make sure the block is at rest, then at time t=0 you quickly move your hand away. the block begins to move upward, because the upward force on the block by the spring is greater than the downward force on the block by the earth. calculate y vs. time for the block during a 0.09-second interval after you release the block, by applying the momentum principle in three steps each of 0.03-second duration.
Answers: 1
Agirl is standing on a trampoline. her mass is 65 kg and she is able to jump 3 m. what is the spring...
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