Pretty please to help me with the question... please
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Physics, 24.02.2021 07:10 laceytoyne72
Pretty please to help me with the question... please
Answers: 3
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 14:00
Awater balloon launcher uses an elastic band with a spring constant of 115 n/m to use thee launcher you stretch thee band back with a balloon n it the water balloons have a mass of 1.3 kg a) if you stretch the band by 0.8 m, what elastic force will the band exert? b) with the band stretched 0.8 m, how much elastic potential energy is stored in the spring? c) if you release the band, it pushes forward. what is the kinetic energy of the balloon when it reaches the natural length of the band? d) what is the speed of the balloon when it reaches the natural length of the band?
Answers: 1
Physics, 23.06.2019 02:30
Five renewable energy resources are wind, sunlight, moving water and geothermal energy. question 2 options: true false
Answers: 2
Physics, 23.06.2019 08:40
Which of the following has the greatest impact on an ecosystem migratory animals predation human inference
Answers: 1
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