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Physics, 22.06.2019 09:20
Question 11 of 13 (1 point) jump to question: a stairway, ladder, or ramp must be present in excavations in which of the following situations? a. all trenches must have access/egress b. the trench is more than 15 feet wide but only 1 ยฝ feet deep c. the trench is more than 4 feet deep and the devices must be within 25 feet of all workers
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Physics, 22.06.2019 12:00
If the new moon happens on january 15th, what shape will it be on february 6th?
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Physics, 22.06.2019 15:30
At 20โc, 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 12ร10โ6 kโ1 and23ร10โ6 kโ1 respectively.
Answers: 1
Why are we unlikely to find earth-like planets around halo stars in the galaxy? why are we unlikely...
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