Physics, 11.12.2019 20:31 jayjeralm070805
The fingers on your hand are approximately 0.5 cm apart. ignoring atmospheric blurring, what size mirror would a spy satellite have to have in order to tell how many fingers you are holding up at it using visible light (wavelength = 500 nm) at an altitude of 200 km?
Answers: 3
Physics, 21.06.2019 15:00
Amplitude is a measure of a waves a; speed b; distance c; energy d; frequency
Answers: 1
Physics, 21.06.2019 19:40
Apackage of supplies is dropped from a plane, and one second later a second package is dropped. neglecting air resistance, the relative velocity of the 1st package viewed from the second will 56) a) increase. b) be constant. c) be zero. d) depend upon their weight. e) decrease
Answers: 1
Physics, 22.06.2019 05:10
A26 cm object is 18 cm in front of a plane mirror. a ray of light strikes the object and is reflected off the mirror at a 42-degree angle. what is the angle of reflection? degrees what type of image is formed? what is the size of the image? cm
Answers: 2
The fingers on your hand are approximately 0.5 cm apart. ignoring atmospheric blurring, what size mi...
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