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Physics, 22.06.2019 22:00
If a hiker that weighs 600 newtons climbs a 50 meter hill, how much gravitational potential energy has the hiker gained?
Answers: 1
Physics, 23.06.2019 20:30
Cobwebs are popular decorations at halloween time, but an experiment in which spiders were given psychoactive substances showed that it really affects their web spinning skills! the web below was spun under the influence of what?
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Physics, 23.06.2019 22:00
Select the correct answer. g = 6.67 × 10-11 n·m2/kg2 me = 5.598 × 1024 kg what is the velocity of an earth satellite that is in a circular orbit with a radius of 7.5 × 107 meters measured from the center of the earth? a. 2.9 × 103 meters/second b. 2.3 × 103 meters/second c. 7.5 × 103 meters/second d. 5.9 × 103 meters/second
Answers: 1
A load of 600N is lifted using a
lever of 4m effort arm applying an effort of 200N. If load arm is...
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