Just need help with 1 and 2 please :D i’m having a bit of trouble :/
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Answers: 3
Physics, 21.06.2019 16:00
Suppose you use a machine that gives you a mechanical advantage of 2 to achieve an output force of 30newtons what must the input force be
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Physics, 21.06.2019 22:30
During takeoff, the sound intensity level of a jet engine is 170db at a distance of 34 m. what's the sound intensity level at a distance of 1.0 km?
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Physics, 22.06.2019 01:30
Astone is dropped with no initial velocity from the top of a cliff and hits the ground a time of 3.9 s later. what is the height of the cliff, in units of meters? you may assume that air resistance is negligible. give the answer as a positive number question 15 a figure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 200 o 20.9 12000 o 3.33
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Physics, 22.06.2019 15:20
Aphoton is absorbed by an electron that is in the n = 3 state of a hydrogen atom, causing the hydrogen atom to become ionized. very far away from the nucleus, the released electron has a velocity of 750,000 m/s. what was the wavelength of the absorbed photon?
Answers: 2
History, 06.10.2019 22:00
Chemistry, 06.10.2019 22:00
Mathematics, 06.10.2019 22:00
Advanced Placement (AP), 06.10.2019 22:00
Mathematics, 06.10.2019 22:00
Mathematics, 06.10.2019 22:00
Mathematics, 06.10.2019 22:00
Mathematics, 06.10.2019 22:00
History, 06.10.2019 22:00