Physics, 08.07.2019 07:20 Trishamw04
If a helicopter's mass is 4,500kg and the net force on it is 18,000 n upward, what is its acceleration?
Answers: 1
Physics, 22.06.2019 09:30
True or false graphs must include scales that increase by the same amount
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Physics, 22.06.2019 15:40
Apotter's wheel moves uniformly from rest to an angular speed of 0.20 rev/s in 32.0 s. (a) find its angular acceleration in radians per second per second. rad/s2 (b) would doubling the angular acceleration during the given period have doubled final angular speed?
Answers: 1
Physics, 23.06.2019 00:40
Researchers conducted an experiment to identify the effects of three different hand sanitizers on the growth of bacteria. the researchers grew one type of bacteria in twenty-four identical covered petri dishes. then, they opened eighteen petri dishes and applied the three hand sanitizers to six petri dishes each. they left the remaining six petri dishes closed as a control group. when the researchers measured the growth of bacteria two days later, the six dishes that had no hand sanitizer showed the least amount of bacterial growth. the researchers concluded that not using any hand sanitizer would lead to the least bacterial growth. which statement best explains why the researchers’ conclusion was not justified? the experiment tested too many variables. the control group was not treated the same as the experimental group. the sample size of twenty-four petri dishes is not large enough. the single type of bacteria is not adequate to make any conclusions.
Answers: 1
Physics, 23.06.2019 01:00
How much work would it take to move a coulomb charge across a 4 volt potential difference?
Answers: 2
If a helicopter's mass is 4,500kg and the net force on it is 18,000 n upward, what is its accelerati...
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