Physics, 08.07.2019 21:00 youguyscantbanme
Which of the following is an example of technology influencing science? a)use of recording devices to view the growth of plants. b)invention of the microscope to observe cells. c)invention of the thermometer to measure heat. d)use of x-ray machines for airport security.
Answers: 1
Physics, 22.06.2019 13:50
The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m^2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute?
Answers: 2
Physics, 22.06.2019 19:00
If state law mandates that elevators cannot accelerate more than 2.40 m/s2 or travel faster than 14.8 m/s , what is the minimum time in which an elevator can travel the 373 m from the ground floor to the observatory floor? ?
Answers: 1
Physics, 22.06.2019 21:30
While carrying a heavy box up the stairs,you set the box on a step and rest. then you pick up the box and carry it to the top of the stairs. describe these actions in terms of balanced and unbalanced forces acting on the box.
Answers: 1
Which of the following is an example of technology influencing science? a)use of recording devices...
Spanish, 18.12.2019 01:31