Which would have a greater kinetic energy? a train moving at 70 km/h
a car moving at 70 km/h
a dog moving at 70 km/h
a mouse moving at 70 km/h

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.

Which of the following statements accurately describes the sign of the work done on the box by the force of the push? a. positive b. negative c. zero

Five renewable energy resources are wind, sunlight, moving water and geothermal energy. question 2 options: true false