B) The efficiency of a machine is 80%. What does it mean?
c) Define one joule work.
d) Write...
Physics, 03.10.2021 23:50 andydiaz1227
B) The efficiency of a machine is 80%. What does it mean?
c) Define one joule work.
d) Write the sub-shells electronic configuration of chlorine element.
e) Write any two characteristics of the kingdom Protista.
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Explain the comparisons between nature and packingtown that appears on pages 81 and 82 answer
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Aperson walks first at a constant speed of 4.89 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 2.95 m/s. what is the average speed over the entire trip?
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Physics, 22.06.2019 17:50
Two identical stars with mass m orbit around their center of mass. each orbit is circular and has radius r, so that the two stars are always on opposite sides of the circle. (a) find the gravitational force of one star on the other. (b) find the orbital speed of each star and the period of the orbit. (c) how much energy would be required to separate the two stars to infinity?
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Physics, 22.06.2019 18:30
Which of the following is not a means to accelerating? question 4 options: a)increase speed b)remain still c)decrease speed d)change direction
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