A pencil is viewed through a concave lens. Which of the following best
describes the image?
...
Physics, 26.08.2021 04:20 dymari10p59xn8
A pencil is viewed through a concave lens. Which of the following best
describes the image?
Object
Image
F
F
A. Virtual
B. Inverted
C. Enlarged
D. Real
Answers: 3
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Which best term to describe a chemical reaction that absorbs energy from its surroundings? a.thermal conductor b.thermal insulator c.endothermic d.exothermic
Answers: 1
Physics, 22.06.2019 23:30
You have two photos of a person walking. one shows the person at the corner of third and main streets, the other shows the person at the corner of tenth and main streets. there are lampposts at every corner in this town, and the first picture shows it to be 10: 32: 00 exactly. the second picture shows it to be 10: 49: 30. you know three facts: (1) all of the clocks are synchronized; (2) there are exactly 12 equal-sized blocks per kilometer in this town; and (3) the streets that cross main in this area are numbered consecutively, with no interruptions. what is the person’s average speed in kilometers per hour?
Answers: 2
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When solid surfaces slide over each other the kind of friction that occurs is called friction
Answers: 2
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The largest observatory complex in the world is on mauna kea, the tallest mountain on earth. what are some factors astronomers consider when selecting an observatory site? don’t forget practical ones. should astronomers, for example, consider building an observatory on denali (mount mckinley) or mount everest?
Answers: 1
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