Physics, 02.10.2020 15:01 adrianaa52
4. An object is placed at a distance of 20cm from a convex mirror of focal length 15cm. Find the position and nature of the image.
Answers: 3
Physics, 22.06.2019 03:30
The focal length of a relaxed human eye is approximately 1.7 cm. when we focus our eyes on a close up object, we can change the refractive power of the eye by about 16 diopters. (a) does the refractive power of our eyes increase or decrease by 16 diopters when we focus closely? explain. (b) calculate the focal length of the eye when we focus closely.
Answers: 3
Physics, 22.06.2019 08:30
Researchers determine that the biodiversity in a woodland region is declining. they identify two major threats to the region's biodiversity, a method to address each threat, and the expected outcome of each method. this information is shown in the table. a) reforestation would not benefit many species because most forest species live on the ground. b) reforestation would take the longest time to be effective because trees take several years to grow. c) biological augmentation would benefit only a few species because is is typically not very effective. d) biological augmentation would take less time to ve effective because it targets the majority of prey species.
Answers: 3
Physics, 22.06.2019 14:00
What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration
Answers: 1
4. An object is placed at a distance of 20cm from a convex mirror of focal length 15cm. Find
the po...
Mathematics, 20.07.2019 20:30
Mathematics, 20.07.2019 20:30
Biology, 20.07.2019 20:30
Physics, 20.07.2019 20:30
Social Studies, 20.07.2019 20:30
History, 20.07.2019 20:30
Biology, 20.07.2019 20:30