Physics, 26.09.2019 21:30 mixcolin0002
On earth a ball is thrown straight downward with an initial speed of 1 meter
per second from a height of 15 meters. what is the speed of the ball 0.6
seconds after it is released?
o a) 2.5 m/s
ob) 4.3 m/s
oc) 6.9 m/s
od) 9.0 m/s
Answers: 1
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Explain to someone who knows nothing about fossils the study of invertebrate paleontology and how it scientists understand the history of the earth. be sure your explanation contains a minimum of two complete sentences.
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In a simplified model of the human eye, the aqueous and vitreous humors and the lens all have a refractive index of 1.40, and all the refraction occurs at the cornea, whose vertex is 2.60 cm from the retina. what should be the radius of curvature of the cornea such that the image of an object 40.0 cm from the cornea’s vertex is focused on the retina?
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Air is contained in a variable-load piston-cylinder device equipped with a paddle wheel. initially, air is at 400 kpa and 17°c. the paddle wheel is now turned by an external electric motor until 75 kj/kg of work has been transferred to air. during this process, heat is transferred to maintain a constant air temperature while allowing the gas volume to triple. calculate the required amount of heat transfer in kj/kg.
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Physics, 22.06.2019 14:00
Ascientific blank must be testable and capable of being proven false?
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On earth a ball is thrown straight downward with an initial speed of 1 meter
per second from a...
per second from a...
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