Physics

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If a gram of antimatter meets a kilogram of matter, the amount of mass to survive is A) 1 gram. ... Started by rlane42	1 Replies 49 Views	Jul 29, 2018 by Joc
Which has the greater density? A) a cup-full of fresh water B) a lake-full of fresh water C) ... Started by go.lag	3 Replies 131 Views	Jul 29, 2018 by Dominic
Which is the greater amount for medication measured by mass? A) 1 gram B) 1000 milligrams C) ... Started by 09madisonrousseau09	1 Replies 53 Views	Jul 29, 2018 by trampas
Compared to the volume of a kilogram of feathers, the volume of a kilogram of lead is A) less. ... Started by mcmcdaniel	1 Replies 44 Views	Jul 29, 2018 by cici
The first evidence confirming the crystal structure of matter was A) the citing of experiments by ... Started by Zulu123	1 Replies 40 Views	Jul 29, 2018 by chereeb
If a loaf of bread is compressed its A) density decreases. B) density increases. C) neither of ... Started by dalyningkenk	3 Replies 30 Views	Jul 29, 2018 by Hikerman221
If the mass of an object were doubled while its volume remained the same, its density would A) be ... Started by asan beg	1 Replies 63 Views	Jul 29, 2018 by meganlapinski
Compared to a bar of pure gold, the density of a pure gold ring is A) less. B) the same. C) ... Started by anshika	1 Replies 57 Views	Jul 29, 2018 by sarajane1989
An iron block in a furnace is heated and consequently expands, which means that its density is A) ... Started by tiffannnnyyyyyy	1 Replies 42 Views	Jul 29, 2018 by Pamela.irrgang@yahoo.com
A metal block has a density of 5000 kg per cubic meter and a mass of 15,000 kg. What is its volume? ... Started by Bob-Dole	3 Replies 103 Views	Jul 29, 2018 by mohan
Which ball is more elastic? A) a common rubber ball B) a steel ball C) both the ... Started by tiffannnnyyyyyy	1 Replies 139 Views	Jul 29, 2018 by cassie_ragen
A strong spring is stretched 10 cm by a suspended block. If the block's weight is doubled, the ... Started by jCorn1234	1 Replies 486 Views	Jul 29, 2018 by nathang24
A weightless spring is stretched 10 cm by a suspended 1-kg block. If two such springs are used to ... Started by lilldybug07	1 Replies 480 Views	Jul 29, 2018 by tuwy
A beam is under stress when it carries a load. The part of a beam where no tension or compression ... Started by Tazate	3 Replies 83 Views	Jul 29, 2018 by cclemon1
The strength of a rope depends on its A) thickness. B) length. C) both of ... Started by mrsjacobs44	1 Replies 62 Views	Jul 29, 2018 by Li Jun
A horizontal wooden beam sags a bit when supported at its ends. In between the top and bottom ... Started by nautica902	1 Replies 203 Views	Jul 29, 2018 by aadams68
Stone slabs are stronger under A) tension. B) compression. C) both of these D) none of ... Started by erika	1 Replies 58 Views	Jul 29, 2018 by Kaytorgator
You wish to drill a hole through a horizontal I-beam supporting a bridge. To weaken the beam the ... Started by NClaborn	3 Replies 66 Views	Jul 29, 2018 by trog
Support a horizontal toothpick at both ends. Then do likewise for a log of the same kind of wood. ... Started by fbq8i	1 Replies 23 Views	Jul 29, 2018 by maya.nigrin17@yahoo.com
An athlete can perform a certain number of pushups. The same athlete scaled up in size can do A) ... Started by big1devin	1 Replies 74 Views	Jul 29, 2018 by Ksanderson1296
Which has more skin? A) an elephant B) a mouse C) both the same ... Started by kwoodring	1 Replies 57 Views	Jul 29, 2018 by alexanderhamilton
The strength of a beam is most related to its A) cross section. B) length. C) both of ... Started by KWilfred	3 Replies 86 Views	Jul 29, 2018 by missalyssa26
Flatten a spherical meatball into a hamburger and you increase its A) surface area. B) volume. ... Started by crobinson2013	1 Replies 108 Views	Jul 29, 2018 by cdmart10
Lillian sees a chair at the Exploratorium that has been scaled up by three. In attempting to lift ... Started by Evvie72	1 Replies 22 Views	Jul 29, 2018 by Ashley I
A creature that is scaled up in size, keeping its proportions, A) will be stronger relative to ... Started by jasdeep_brar	1 Replies 41 Views	Jul 29, 2018 by ryrychapman11