Physics

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What is the intensity level of a sound with intensity 10-3 W/m2? A) 96 dB B) 30 dB C) 79 dB D) ... Started by kellyjaisingh	1 Replies 121 Views	Jul 27, 2018 by johnpizzaz
An extrasolar planet in the HD 4308 system orbits its parent star at a distance of 17.1 million ... Started by colton	3 Replies 102 Views	Jul 27, 2018 by Kjones0604
You may have heard it said that all objects, even ones at the temperature of our bodies, are ... Started by aabwk4	1 Replies 59 Views	Jul 27, 2018 by shaikhs
A charge of 12 C passes through an electroplating apparatus in 2.0 min. What is the average current? ... Started by Garrulous	1 Replies 59 Views	Jul 27, 2018 by Jayson
Which of the following gases was present in the smallest amounts in early atmosphere of the Earth? ... Started by sdfghj	1 Replies 93 Views	Jul 27, 2018 by dominiqueenicolee
A confined gas has an average energy/molecule of 60. meV. If the pressure is tripled and the volume ... Started by BRWH	3 Replies 83 Views	Jul 27, 2018 by Liddy
How many decibels correspond to a sound intensity of 7.0 10-7 W/m2? A) 70 B) 58 C) 69 D) 75 ... Started by bobypop	1 Replies 213 Views	Jul 27, 2018 by Ksh22
Albert Einstein received the 1921 Nobel Prize for his A) Special Theory of Relativity. B) ... Started by ashley	1 Replies 72 Views	Jul 27, 2018 by ryrychapman11
If the human eyeball is too short from front to back, this gives rise to a vision defect that can be ... Started by TFauchery	1 Replies 64 Views	Jul 27, 2018 by abctaiwan
Water flows out of a large reservoir through a pipe that opens to the atmosphere 5.70 m below the ... Started by cool	3 Replies 97 Views	Jul 27, 2018 by maya.nigrin17@yahoo.com
A parallel-plate capacitor has plates of area 0.20 m2 separated by a distance of 1.0 mm. What is ... Started by SAVANNAHHOOPER23	1 Replies 130 Views	Jul 27, 2018 by yifu223
According to Einstein's theory of general relativity, a ray of light bends in an accelerated frame ... Started by Tazate	1 Replies 85 Views	Jul 27, 2018 by Sammyo
Two parallel rays (also parallel to the optic axis) reflect from a concave mirror. They intersect at ... Started by rayancarla1	1 Replies 81 Views	Jul 27, 2018 by sultansheikh
When the index of refraction of a transparent material varies with wavelength, the material exhibits ... Started by Marty	3 Replies 186 Views	Jul 27, 2018 by blazinlyss
Rays that pass through a lens very close to the lens axis are more sharply focused than those that ... Started by shenderson6	1 Replies 102 Views	Jul 27, 2018 by jlaineee
The most likely method of interstellar communication is similar to which type of communication on ... Started by jc611	1 Replies 77 Views	Jul 27, 2018 by Jevvish
Small bodies like asteroids and comets are unlikely to harbor life because they A) are constantly ... Started by Mollykgkg	1 Replies 85 Views	Jul 27, 2018 by bitingbit
A 15. F capacitor is connected to a 50. V battery and becomes fully charged. The battery is removed ... Started by appyboo	3 Replies 142 Views	Jul 27, 2018 by fffftttt
The first few hundred million years of the solar system's history is referred to as the A) heavy ... Started by mikaylakyoung	1 Replies 163 Views	Jul 27, 2018 by asdfghjkl;
The power factor of an RLC circuit is defined as cos = R/Z, but the phase angle can also be ... Started by Chelseaamend	1 Replies 613 Views	Jul 27, 2018 by AaaA
An ion enters a mass spectrometer which has a 0.18 Tesla field perpendicular to an electric field of ... Started by mckennatimberlake	1 Replies 2,760 Views	Jul 27, 2018 by lkanara2
A car is traveling along a highway at 65 mph. What is the linear speed of the bottom of the tires? ... Started by DelorasTo	3 Replies 354 Views	Jul 27, 2018 by momtoalll
A fish's eye is well-suited to seeing under water, but what can you say about his vision if he is ... Started by Deast7027	1 Replies 57 Views	Jul 27, 2018 by Natalie4ever
A piece of wood 350 mm 350 mm and 15 mm thick conducts heat through its thickness under steady ... Started by Deast7027	1 Replies 90 Views	Jul 27, 2018 by bitingbit
SAE No. 10 oil has a viscosity of 0.20 Pa-s. How long would it take to pour 4.0 L of oil through a ... Started by Tirant22	1 Replies 97 Views	Jul 27, 2018 by TheDev123