Physics, 14.12.2020 14:00, isabel2007riverton
If two people lift identical stacks of books the same distance and one person does the job twice as fast, which of the following has doubled?
-power
-work output
-work input
-efficiency
Answers: 2
Physics, 22.06.2019 05:20, niescarlosj
A3.9 g aluminum foil ball with a charge of +4.1Ć10ā9 c is suspended on a string in a uniform horizontal eā field. the string deviates to the right and makes an angle of 30ā with the vertical. part a part complete what information about the eā field can you determine for this situation? what information about the field can you determine for this situation? only the magnitude of eā only the direction of eā both the magnitude and the direction of eā none of the above previous answers correct part b determine the magnitude of the electric field. express your answer with the appropriate units. e e = nothing nothing request answer part c determine the direction of the electric field. determine the direction of the electric field. to the right to the left away from you toward you
Answers: 3
Physics, 22.06.2019 11:10, ladybee05
Avolcano erupts next to a grassland area in a valley. a. describe three ways in which material released by the volcano could impact the grassland area. b. describe three ways in which the grassland ecosystem could recover after a volcanic eruption.
Answers: 3
Physics, 22.06.2019 15:50, shaylawymannnnn
Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air
Answers: 3
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