Physics, 11.11.2021 07:00 nehamaan503
A car speeds up from 25m/s to 75 m/s in 5s what is it’s acceleration?
Answers: 1
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Apassenger walks toward the rear of a moving train. describe her motion as seen from a reference point on the train. then describe it from a reference point on the ground
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Physics, 22.06.2019 15:30
At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.
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Physics, 23.06.2019 02:30
Aprotein molecule in an electrophoresis gel has a negative charge.the exact charge depends on the ph of the solution, but 30 excesselectrons is typical. what is the magnitude of the electric forceon a protein with this charge in a 1500 n/c electric field?
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Physics, 23.06.2019 06:00
What would be the net charge of 1 gram gold piece after removal of 1% of its electrons
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A car speeds up from 25m/s to 75 m/s in 5s what is it’s acceleration?...
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