Physics, 10.04.2020 21:54 wrightdarius78
Lindsay is standing in the middle of the aisle of a bus that’s at rest at a stop light. The light turns green and the bus speeds up. Without grabbing or hanging on to anything, Lindsay manages to remain stationary with respect to the floor. While the bus is speeding up, the net force on Lindsay points in which direction?
a. Toward the front of the bus b. There is no net force on Lindsay c. Toward the back of the bus
Answers: 3
Physics, 22.06.2019 09:00
The material that keeps its new shape after it is stretched is called?
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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
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Which of the following is a transformer used for? alternate a voltage produce a voltage increase or decrease a voltage eliminate a voltage
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Physics, 23.06.2019 06:10
Question 1(multiple choice worth 2 points) in order to be considered work, the components that must be present are • a force and a movement in the same direction as the force an action which causes movement and an opposite reaction an action which causes no movement or reaction a force and a movement in the opposite direction of the force
Answers: 1
Lindsay is standing in the middle of the aisle of a bus that’s at rest at a stop light. The light tu...
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