Physics

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In order for an atom to decay to an element that is one greater in atomic number, it can emit A) ... Started by lb_gilbert	1 Replies 207 Views	Jul 29, 2018 by Tonny
Ice melts if enough pressure is applied to it. Indicate whether the statement is true or ... Started by Themember4	1 Replies 71 Views	Jul 29, 2018 by Hikerman221
When the hydrogen isotope tritium-3 emits a beta particle, it becomes an isotope of A) hydrogen. ... Started by 809779	3 Replies 171 Views	Jul 29, 2018 by Gabe
Americium-243 has a decay constant of 9.39 10-5 years-1. How long will it take for a sample of ... Started by Ebrown	1 Replies 58 Views	Jul 29, 2018 by wuly
Rutherfordium-261 has a half-life of 1.08 min. How long will it take for a sample of rutherfordium ... Started by Lobcity	1 Replies 81 Views	Jul 29, 2018 by heyhey123
Carbon-14 is produced in the atmosphere principally by A) plants and animals. B) cosmic-ray ... Started by burchfield96	1 Replies 86 Views	Jul 29, 2018 by matt
On a cold winter day, you turn up the thermostat in your house. Assume that your house is well ... Started by BRWH	3 Replies 707 Views	Jul 29, 2018 by kaylee05
Free protons and neutrons are spewed throughout the atmosphere by A) nitrogen decay. B) carbon ... Started by asan beg	1 Replies 74 Views	Jul 29, 2018 by kardosa007
Rutherfordium-261 has a half-life of 1.08 min. What is the decay constant of rutherfordium? A) ... Started by Kthamas	1 Replies 81 Views	Jul 29, 2018 by flannelavenger
A mass of 40.0 grams is attached to a vertical spring with a spring constant k = 20.0 N/m and ... Started by cdr_15	1 Replies 105 Views	Jul 29, 2018 by yasmina
The resulting atomic number of an element that emits 1 alpha particle, 1 positron, and 3 beta ... Started by imowrer	3 Replies 162 Views	Jul 29, 2018 by vseab
A tightrope walker with a mass of 60.0 kg stands at the center of a rope which was initially strung ... Started by abc	1 Replies 513 Views	Jul 29, 2018 by wshriver
All deposits of natural uranium contain appreciable amounts of A) iron. B) lead. C) gold. D) ... Started by Engineer	1 Replies 141 Views	Jul 29, 2018 by katara
Carbon dating requires that the object being tested contain A) organic material. B) inorganic ... Started by savannahhooper	1 Replies 128 Views	Jul 29, 2018 by Sarahjh
The shape of the wire determines the direction of the induced current in a conducting loop of wire. ... Started by tnt_battle	3 Replies 122 Views	Jul 29, 2018 by AngeliqueG
The internal energy of an ideal gas depends on A) its pressure. B) its volume. C) its ... Started by PhilipSeeMore	1 Replies 66 Views	Jul 29, 2018 by meganmoser117
A mass of 3.0 kg rests on a smooth surface inclined 34 above the horizontal. It is kept from sliding ... Started by cartlidgeashley	1 Replies 66 Views	Jul 29, 2018 by Liddy
The emf in a conducting rod of length L moving perpendicular to a magnetic field is directly ... Started by karlynnae	1 Replies 50 Views	Jul 29, 2018 by Chou
The length of the telescope is 1.60 m and it has a magnification of 60.0. What is the focal length ... Started by Chloeellawright	3 Replies 58 Views	Jul 29, 2018 by gasdhashg
When we say that a material sample has reached its elastic limit, we mean that A) if any further ... Started by abc	1 Replies 32 Views	Jul 29, 2018 by joshbk44
A stationary 1.67-kg object is struck by a stick. The object experiences a horizontal force given by ... Started by swpotter12	1 Replies 116 Views	Jul 29, 2018 by bassamabas
Phase equilibrium between the gaseous and liquid states describes the situation when A) no more ... Started by haleyc112	1 Replies 79 Views	Jul 29, 2018 by jaaaaaaa
During a collision with a wall, the velocity of a 0.200-kg ball changes from 20.0 m/s toward the ... Started by storky111	3 Replies 71 Views	Jul 29, 2018 by amit
The identical 50-kg masses are held at the corners of an equilateral triangle, 30 cm on each side. ... Started by Mr3Hunna	1 Replies 149 Views	Jul 29, 2018 by amcvicar
The law of reflection, as well as the law of refraction, can be derived using Huygens' principle. ... Started by mynx	1 Replies 81 Views	Jul 29, 2018 by mcomstock09