Physics, 01.10.2019 03:30 NostalgicErasXy
You drop a 30 g pebble down a well. you hear a splash 2.7 s later. what was the pebble’s speed just as it reaches the water? assume g = 9.8 m/s2
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Apossible explanation for a set of facts that can be tested by further investigation is called
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The focal length of a relaxed human eye is approximately 1.7 cm. when we focus our eyes on a close up object, we can change the refractive power of the eye by about 16 diopters. (a) does the refractive power of our eyes increase or decrease by 16 diopters when we focus closely? explain. (b) calculate the focal length of the eye when we focus closely.
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You drop a 30 g pebble down a well. you hear a splash 2.7 s later. what was the pebble’s speed just...
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