Enter anumber. 1 increase because the saltwater displacedis heavier. decrease be

Question

Enter anumber. 1 increase because the saltwater displacedis heavier.
decrease because each cubic meter of saltwater displaced weighs more than fresh water.
not change.
increase because the raft must displacemore water.
decrease because less volume of salt watermust be displaced to have its weight equal that of theraft. 1 increase because the saltwater displacedis heavier.
decrease because each cubic meter of saltwater displaced weighs more than fresh water.
not change.
increase because the raft must displacemore water.
decrease because less volume of salt watermust be displaced to have its weight equal that of theraft. 1

Explanation / Answer

Mass m1 of the volume of water displaced isequal to the mass of the raft m2. m1=1V1 =1(A2h) m1=1V1 =1(A2h) m2=2V2  now since m1= m2 1(A2h)=2V2 h=2V2/(1A2)= h=(2 /1)V2 /(A2) and since   V2=A2h2 h=(2/1)h2 ; whereh2= V2/A2 Just plug and play h=(600 /1000) (0.68/5.66) h= 0.072m Just plug and play h=(600 /1000) (0.68/5.66) h= 0.072m If the raft is placed in salt water,which has a density greater than fresh water, the value ofh would: (Select all that apply.)
1 increase because the saltwater displacedis heavier.
decreasebecause each cubic meter of salt water displaced weighs more thanfresh water.
notchange.
increasebecause the raft must displace more water.
decreasebecause less volume of salt water must be displaced to have itsweight equal that of the raft. 1 increase because the saltwater displacedis heavier.
decreasebecause each cubic meter of salt water displaced weighs more thanfresh water.
notchange.
increasebecause the raft must displace more water.
decreasebecause less volume of salt water must be displaced to have itsweight equal that of the raft. 1

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