Physics, 20.02.2020 19:27 LexyClaire
An object is moving around a circle with a radius of 0.6 m. The object starts from rest and then experiences a constant angular acceleration. If the tangential velocity of the object increases from 2 m/s to 5 m/s over 10 s, what is the magnitude of the angular acceleration (in rad/s2)?
Answers: 1
Physics, 22.06.2019 18:00
Cells in the nervous system have a potential difference of 70 mv across the cell membrane separating the interior of the cell from the extracellular fluid. this potential difference is maintained by ion pumps that move charged ions across the membrane. is this an emf? select the correct answer and explanation. 1)no. the ion pumps cannot separate charges; thus, they cannot create a potential difference. 2)yes. the ion pumps cannot separate charges, but they still can create a potential difference. 3)yes. the ion pumps can actively separate charge; thus, they can create a potential difference. 4)no. the ion pumps can separate charges, but they cannot create a potential difference.
Answers: 1
Physics, 22.06.2019 22:30
When you hold a rectangular object, how does the area of the side that is resting on your hand affect the pressure and the force that the object exerts?
Answers: 3
An object is moving around a circle with a radius of 0.6 m. The object starts from rest and then exp...
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