Physics, 26.03.2021 02:40 deidrabenson72331
A magnifying glass used to focus sunlight in an intense hot spot becomes a burning glass or solar collector. If the lens is made larger and/or if the focus is made more concentrated, the hot spot gets hotter. Could a lens be made bigger and bigger or could its focus be made more and more concentrated so that its hot spot would be hotter than the sun itself
Answers: 3
Another question on Physics
Physics, 22.06.2019 02:00
In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong
Answers: 1
Physics, 22.06.2019 09:00
This is really important 1.which of the following prefixes represents the largest value? (2 points)gigahectorkilomilli2.which of the following types of graphs is best for plotting the mean, median, and mode of data? (2 points)bar graphbox-and-whiskercircle graphstem-and-leaf
Answers: 1
Physics, 22.06.2019 11:00
1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?
Answers: 1
Physics, 23.06.2019 02:00
Which of the following is the largest disadvantage of about half of the electricity in the united states comes from burning
Answers: 2
You know the right answer?
A magnifying glass used to focus sunlight in an intense hot spot becomes a burning glass or solar co...
Questions
Social Studies, 19.07.2019 05:00
Social Studies, 19.07.2019 05:00
Social Studies, 19.07.2019 05:00
Social Studies, 19.07.2019 05:00
Social Studies, 19.07.2019 05:00
Biology, 19.07.2019 05:00
Social Studies, 19.07.2019 05:00
History, 19.07.2019 05:00
Arts, 19.07.2019 05:00
Arts, 19.07.2019 05:00
Arts, 19.07.2019 05:00
