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an object is placed 15.8 cm in front of a thin converging lens with an unknown focal length. if a real image forms behind the lens with an image distance of 4.2cm what is the focal length of the lens
answered
Jul 26, 2018
Physics
high-school
6
votes
207k
views
During the rock cycle, rocks get broken apart by weathering, carried along by erosion, and eventually deposited in a body of water. What happens next? Compaction and cementation into sedimentary rock,
answered
Jun 8, 2018
Mathematics
high-school
4
votes
57.0k
views
Write 7 3/15 as a decimal
answered
Mar 27, 2018
Mathematics
college
1
vote
99.1k
views
The _____ offer to not get eaten by sharks looked good to robin, who was tied up and dangling above the shark pool.
answered
Jan 7, 2018
Social Studies
high-school
5
votes
63.7k
views
What types of organic molecules have the same molecular formula, but atoms that are joined together in different ways? A. structural isomers B. geometric isomers C. saturated hydrocarbons D. unsaturated
answered
Nov 14, 2017
Chemistry
high-school
3
votes
84.4k
views
____ is a comparison of the present state of a system compared to its baseline.
answered
Apr 16, 2017
Social Studies
high-school
3
votes
115k
views
Which number is between √50 and 5π/2? A. 22/3 B.2√8 C. 6 D. π + 3
answered
Feb 15, 2017
Mathematics
middle-school
0
votes
198k
views
What kind of government did Thomas Jefferson want
answered
May 28, 2016
Social Studies
middle-school
2
votes
86.5k
views
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