Physics

Replies / Views	Last post
Give an example of a material whose useful property depends upon a metastable state. What will be ... Started by c0205847	1 Replies 76 Views	Jul 27, 2018 by tuwy
When a ferromagnetic material is placed in an external magnetic field, the net magnetic field of its ... Started by sammy	3 Replies 180 Views	Jul 27, 2018 by okolip
A Tungsten w ire is 1.50 m long and has a diameter of 1.00 mm. At 20.C a current of 50. mA flows ... Started by jwb375	1 Replies 58 Views	Jul 27, 2018 by atrochim
Estimate by what percent the perceived frequency of speech changes due to a talking person walking ... Started by Mr. Wonderful	1 Replies 72 Views	Jul 27, 2018 by Eazy416
A circular window of 30.0 cm diameter in a submarine can withstand a maximum force of 1.88 106 N. ... Started by BRWH	1 Replies 48 Views	Jul 27, 2018 by bulacsom
The main problem with early attempts to listen for radio signals from space was A) that they were ... Started by mspears3	3 Replies 74 Views	Jul 27, 2018 by pikon
In a compound microscope the final image is virtual. Indicate whether the statement is true or ... Started by waynest	1 Replies 73 Views	Jul 27, 2018 by l.stuut
Two equal mass objects (which are in thermal contact) make up a system that is thermally isolated ... Started by Hungry!	1 Replies 393 Views	Jul 27, 2018 by macybarnes
The Phanerozoic eon is divided into three main A) epochs B) periods C) eras D) ... Started by jon_i	1 Replies 112 Views	Jul 27, 2018 by SamMuagrove
A 4- resistor, an 8- resistor, and a 24- resistor are connected together. What is the maximum ... Started by mpobi80	3 Replies 183 Views	Jul 27, 2018 by IAPPLET
Using the Equivalence Principle as a guide, explain how one might cancel out (or make disappear) a ... Started by asd123	1 Replies 69 Views	Jul 27, 2018 by fffftttt
A battery is rated at 12. V and 160. A h. How much charge does the battery store? What will be ... Started by amal	1 Replies 106 Views	Jul 27, 2018 by SomethingSomething
A 500-N weight sits on the small piston of a hydraulic machine. The small piston has area 2.0 cm2. ... Started by craiczarry	1 Replies 141 Views	Jul 27, 2018 by ladyjames123
In the periodic table, the horizontal rows are called ________ and the vertical columns are called ... Started by theo	3 Replies 234 Views	Jul 27, 2018 by coyin
The focal length of the objective in a microscope is very small as compared to the focal length of ... Started by AEWBW	1 Replies 106 Views	Jul 27, 2018 by momolu
A bar magnet is dropped, N pole down, so it falls through a horizontal loop of wire. As it leaves ... Started by jake	1 Replies 97 Views	Jul 27, 2018 by yuyiding
Geological eras are subdivided into A) eons B) periods C) epochs D) ... Started by abc	1 Replies 109 Views	Jul 27, 2018 by mmj22343
A force of 10 N acts on a charge of 5.0 C when it is placed in a uniform electric field. What is the ... Started by shofmannx20	3 Replies 147 Views	Jul 27, 2018 by JaynaD87
The earliest geological period in the Phanerozoic eon was the A) Cambrian B) Triassic C) ... Started by abc	1 Replies 81 Views	Jul 27, 2018 by momtoalll
The absolute potential at a distance of 2.0 m from a negative point charge is -100. V. What is the ... Started by rl	1 Replies 100 Views	Jul 27, 2018 by carojassy25
If the frequency of the AC voltage across an inductor is doubled, the inductive reactance of that ... Started by waynest	1 Replies 93 Views	Jul 27, 2018 by jointhecircus
The range of frequencies that a radio telescope is sensitive to is referred to as its A) ... Started by charchew	3 Replies 84 Views	Jul 27, 2018 by frankwu0507
Warp one (the speed of light) is what Mach number at 20.C? What will be an ideal ... Started by mwit1967	1 Replies 87 Views	Jul 27, 2018 by joshbk44
The earth's magnetic field at the magnetic equator is approximately A) 104T. B) 1/2 T. C) 10-5 ... Started by lb_gilbert	1 Replies 159 Views	Jul 27, 2018 by tranoy
In order for life to survive in the atmospheres of Jupiter and Saturn it would have to A) be high ... Started by schs14	1 Replies 76 Views	Jul 27, 2018 by okolip