Suppose you have an unknown clear substance immersed in water, and you wish to identify it by finding its index of refraction. You arrange to have a beam of light enter it at an angle of 45.7β, and you observe the angle of refraction to be 30.5β. What is the index of refraction of the substance? Water has an index of refraction equal to 1.333.
Answers: 1
Physics, 22.06.2019 11:00, natalieburnett82
Marcella is a four-year-old girl who is a victim of emotional child abuse. based on the child and family services improvement and innovation act of 2011, which action should the government take for marcella? a. the state should arrest marcellaβs abuser. b. the state should find a home for marcella as soon as possible. c. the state should enforce stricter laws in the area where marcella resides. d. the state should provide medical assistance to marcella.
Answers: 3
Physics, 22.06.2019 22:00, crystalclear99
Agirl throws a ball. if the ball's acceleration is 12 m/sec/sec and its mass is 0.5 kg, how much force did the girl apply to the ball?
Answers: 1
Physics, 22.06.2019 22:00, shahrukhafridi2668
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, 23.06.2019 00:30, tressasill
Arope has one end tied to a vertical support. you hold the other end so that the rope is horizontal. if you move the end of the rope back and forth with a frequency of 4 hz, the transverse wave you produce has a wavelength of 0.5 m. what is the speed of the wave in the rope?
Answers: 1
Suppose you have an unknown clear substance immersed in water, and you wish to identify it by findin...
English, 23.04.2021 20:30
Mathematics, 23.04.2021 20:30
Mathematics, 23.04.2021 20:30
Chemistry, 23.04.2021 20:30
Mathematics, 23.04.2021 20:30
Mathematics, 23.04.2021 20:30