Physics

Replies / Views	Last post
A sample of highly-radioactive material is somewhat A) warmer than the environment. B) cooler ... Started by soccerdreamer_17	3 Replies 35 Views	Jul 29, 2018 by jlaineee
Gamma rays are emitted by way of A) ionizing radiation. B) transitions within an atom's ... Started by tnt_battle	1 Replies 64 Views	Jul 29, 2018 by lin77x
A 50.0-kg box is being pushed along a horizontal surface. The coefficient of kinetic friction ... Started by Hungry!	1 Replies 58 Views	Jul 29, 2018 by jazzlynnnnn
One mole of Strontium-90 is decaying with a half life of 28. years. After 61. years, how much ... Started by washai	1 Replies 83 Views	Jul 29, 2018 by Koolkid240
The sources of both X-rays and gamma rays are A) electron clouds. B) the atomic nucleus. C) ... Started by jman1234	3 Replies 73 Views	Jul 29, 2018 by pratush dev
A 600-kg car traveling at 30.0 m/s is going around a curve having a radius of 120 m that is banked ... Started by silviawilliams41	1 Replies 50 Views	Jul 29, 2018 by Chou
In tropical areas of the world where refrigeration is not readily available, people store water in ... Started by swpotter12	1 Replies 41 Views	Jul 29, 2018 by dawsa925
Which will NOT bend when moving in a magnetic field? A) alpha particle B) beta particle C) ... Started by geoffrey	1 Replies 104 Views	Jul 29, 2018 by raili21
Which of these will penetrate into lead? A) alpha particle B) beta particle C) gamma ray. D) ... Started by cherise1989	3 Replies 98 Views	Jul 29, 2018 by diesoon
Alpha particles and beta particles are deflected by a magnetic field in A) opposite directions. ... Started by jerry coleman	1 Replies 81 Views	Jul 29, 2018 by k.lashomb
Which experiences the greatest electrical force in an electric field? A) alpha particle B) beta ... Started by Alygatorr01285	1 Replies 68 Views	Jul 29, 2018 by braelync
Which radiation has no association with electric charge? A) alpha B) beta C) gamma D) all of ... Started by gbarreiro	1 Replies 85 Views	Jul 29, 2018 by aprice35067
Which experiences the least electrical force in an electric field? A) alpha particle B) beta ... Started by geodog55	3 Replies 94 Views	Jul 29, 2018 by daiying98
Radiation dosages based on potential damage is in A) rads. B) rems. C) joules. D) none of the ... Started by bucstennis@aim.com	1 Replies 45 Views	Jul 29, 2018 by kaykay69
When you are standing by an air conditioning vent in an indoor swimming pool area, you feel a lot ... Started by biggirl4568	1 Replies 37 Views	Jul 29, 2018 by yuyiding
What is the ratio of potential energy to total energy for a planet in a circular orbit around the ... Started by aabwk4	1 Replies 28 Views	Jul 29, 2018 by bhavsar
The radiation source closest to us originates in A) medical treatments. B) all kinds of power ... Started by viki	3 Replies 36 Views	Jul 29, 2018 by cuttiesgirl16
The most harmful radiations are those that A) kill living cells. B) damage living cells. C) ... Started by melina_rosy	1 Replies 121 Views	Jul 29, 2018 by Sammyo
The natural background radiation we personally encounter is A) a trace amount. B) about a ... Started by asmith134	1 Replies 56 Views	Jul 29, 2018 by Sarahjh
A 50.0-kg box is being pulled along a horizontal surface by means of a rope that exerts a force of ... Started by kaid0807	1 Replies 72 Views	Jul 29, 2018 by firehawk60
What is the ratio of potential energy to kinetic energy for a comet that has just enough energy to ... Started by aabwk4	3 Replies 107 Views	Jul 29, 2018 by raenoj
Most of the radioactivity we personally encounter originates from A) fallout from testing of ... Started by misspop	1 Replies 52 Views	Jul 29, 2018 by Liddy
The half-life of a radioactive substance is affected by A) pressure. B) temperature. C) age. ... Started by kfurse	1 Replies 58 Views	Jul 29, 2018 by akudia
A 50.0-kg box is being pushed along a horizontal surface by a force of 250 N directed 28.0 below the ... Started by altibaby	1 Replies 44 Views	Jul 29, 2018 by emsimon14
A roadway for stunt drivers is designed for racecars moving at a speed of 40 m/s. A curved section ... Started by jasdeep_brar	3 Replies 83 Views	Jul 29, 2018 by SAUXC