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, 22.06.2019 19:00, opgbadwolf5
The law of reflection states that the angle of reflection is equal to the angle of
Answers: 1
Physics, 23.06.2019 08:00, juli8350
The cheetah is considered the fastest running animal in the world. cheetahs can accelerate to a speed of 20.1 m/s in 2.50 s and can continue to accelerate to reach a top speed of 28.1 m/s. assume the acceleration is constant until the top speed is reached and is zero thereafter.1) starting from a crouched position, how long does it take a cheetah to reach its top speed? (express your answer to three significant figures.) s2) how far does it travel in that time? (express your answer to three significant figures.) m3) if a cheetah sees a rabbit 120 m away, how long will it take to reach the rabbit, assuming the rabbit does not move? (express your answer to three significant figures.)
Answers: 3
The fingers on your hand are approximately 0.5 cm apart. ignoring atmospheric blurring, what size mi...
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