Physics, 22.04.2020 01:35 paigeisawesome
A 1-kg rock is suspended from the tip of a horizontal meterstick at the 0-cm mark so that the meterstick barely balances like a seesaw when its fulcrum is at the 12.5-cm mark. From this information, the mass of the meterstick is .
A) 1/4 kg. B) 1/2 kg. C) 3/4 kg. D) 1 kg. E) none of the above
Answers: 1
Physics, 21.06.2019 22:30
The membrane surrounding a living cell consists of an inner and an outer wall that are separated by a small space. assume that the membrane acts like a parallel plate capacitor in which the effective charge density on the inner and outer walls has a magnitude of 7.0 × 10-6 c/m2. (a) what is the magnitude of the electric field within the cell membrane? (b) find the magnitude of the electric force that would be exerted on a potassium ion (k+; charge = +e) placed inside the membrane.
Answers: 1
Physics, 22.06.2019 16:00
What part of the ear is names after tools, such as the hammer and the anvil?
Answers: 1
A 1-kg rock is suspended from the tip of a horizontal meterstick at the 0-cm mark so that the meters...
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