Physics, 11.02.2021 03:50 KennyMckormic
What is the resultant velocity of a boat going across a river the boat's speedometer reads 4 m/s west and the river is flowing 3 m/s south?
Answers: 1
Physics, 22.06.2019 10:30, antoinewill05
J. j. thomson’s experiment disproved the theory that an atom
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Physics, 22.06.2019 17:40, tylercapozzoli
Scientists follow specific processes in order to determine valid explanations and conclusions from observations. david observed strange lights in the sky above his home outside of roswell, new mexico. the only explanation that makes sense to him is that there are ufos in the area. what should david do next to verify his explanation?
Answers: 1
Physics, 23.06.2019 07:30, nataliatf9833
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
What is the resultant velocity of a boat going across a river the boat's speedometer reads 4 m/s wes...
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