Physics, 14.11.2019 05:31 fowers7187
Aperson climbs from a paris metro station to the street level by walking up a stalled escalator in 96.0 s. it takes 72.0 s to ride the same distance when standing on the escalator when it is operating normally. how long would it take for him to climb from the station to the street by walking up the moving escalator?
Answers: 3
Physics, 21.06.2019 19:40
You carry a 7.0-kg bag of groceries 1.2 m above the ground at constant speed across a 2.7m room. how much work do you do on the bag in the process? (a) 157j (b) 0.00j (c) 185j (d) 82j
Answers: 2
Physics, 21.06.2019 22:30
Distinguish between a transverse wave and a longitudinal wave.
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Physics, 22.06.2019 13:10
Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above
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Physics, 22.06.2019 16:20
Specific heat refers to the amount of heat required to change 1 gram of a substance by degree(s) celsius
Answers: 1
Aperson climbs from a paris metro station to the street level by walking up a stalled escalator in 9...
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