Physics, 25.06.2019 18:30 bugsbunny27
Which of the following statements describes a scientific law? a. a scientific law explains a set of events. b. a scientific law describes what occurs every time in a situation. c. a scientific law is constantly modified. d. a scientific law is developed without experimentation. select the best answer from the choices provided
Answers: 2
Physics, 21.06.2019 19:30
Porque crees que el agua no podia subir mas de 10 m de altura con ese tipo de bomba
Answers: 1
Physics, 22.06.2019 14:40
Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?
Answers: 3
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
Which of the following statements describes a scientific law? a. a scientific law explains a set of...
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