Physics, 30.08.2019 22:30, Thejollyhellhound20
An object 10 cm high is located 80 cm to the left of the first converging lens with focal length 40 cm..a second converging lens with focal length 50 cm is located 150 cm to the right of the first lens. where is the image formed (to the right of the second lens)? a) 100 cnm b) 140 cm c) 175 cm d) 215 cm
Answers: 3
Physics, 21.06.2019 22:30, celibe9391
What is the earliest point in the universe that we can observe? why can’t we see back further than this?
Answers: 2
Physics, 22.06.2019 16:20, ceasar6071
The energy equivalent of the rest mass of an electron is
Answers: 1
Physics, 22.06.2019 23:00, thickbeanpapi
Two horses begin at rest. after a few seconds, horse a is traveling with a velocity of 10 m/s west, while horse b is traveling with a velocity of 13 m/s west. which horse had a greater acceleration? a. horse a because its change in velocity was greater than horse b's in the same time. b. horse b because its change in velocity was greater than horse a's in the same time. c. horse b because its change in velocity was the same as horse a's, but it took less time. d. both horses had the same acceleration.
Answers: 1
An object 10 cm high is located 80 cm to the left of the first converging lens with focal length 40...
Mathematics, 11.03.2021 17:10