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# What is the magnitude of the force with which a person attracts earth  Answers: 3  ### Another question on Physics Physics, 21.06.2019 17:10
Acamera lens used for taking close-up photographs has a focal length of 21.5 mm. the farthest it can be placed from the film is 35.0 mm. (a)what is the closest object (in mm) that can be photographed? (b) what is the magnification of this closest object?
Answers: 1 Physics, 22.06.2019 02:20
Which changes of state do the labels represent? a: b: c:
Answers: 1 Physics, 22.06.2019 08:30
If an astronaut takes an object to the moon the following is true (choose only one). a the mass will change but the weight will be the same. b both the mass and the weight of the object will be the same. c the weight will change but the mass will be the same. d both the mass and the weight of the object will change.
Answers: 1 Physics, 22.06.2019 13:30
Global warming will produce rising sea levels partly due to melting ice caps but also due to the expansion of water as average ocean temperatures rise. to get some idea of the size of this effect, calculate the change in length of a column of water 1.00 km high for a temperature increase of 1.00ºc. note that this calculation is only approximate because ocean warming is not uniform with depth. (answer in ×10^{-3} −3 m)
Answers: 1
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What is the magnitude of the force with which a person attracts earth
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