Compare and contrast the activities during the
primitive time and the present day. Give more
...
Physics, 16.12.2020 15:00 ayoismeisalex
Compare and contrast the activities during the
primitive time and the present day. Give more
examples.
Answers: 1
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 04:30
Light from the sun reaches the earth in 8.3 minutes. the velocity is 3.00 x 10^8 m/s. how far is earth from the sun? i know how to get to d = (3 x 10^8 m/s)(498 sec). i just don't know how to get from there to the answer being 1.5 x 10^11 m.
Answers: 3
Physics, 22.06.2019 04:40
Which statement best describes copper? a. it has a low resistance and prevents charges from moving freely. b it has a high resistance and allows charges to move freely. c. it has a high resistance and prevents charges from moving freely. d. it has a low resistance and allows charges to move freely
Answers: 1
Physics, 22.06.2019 10:30
Astone weighing 1.5 kilograms is resting on a rock at a height of 20 meters above the ground. the stone rolls down 10 meters and comes to rest on a patch of moss. the gravitational potential energy of the stone on the moss is joules.
Answers: 1
Mathematics, 29.06.2020 02:01
Mathematics, 29.06.2020 02:01
Social Studies, 29.06.2020 02:01
Mathematics, 29.06.2020 02:01
Mathematics, 29.06.2020 02:01
Mathematics, 29.06.2020 02:01
English, 29.06.2020 02:01
Physics, 29.06.2020 02:01