Liquid Metal
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HEAD Liquidmetal Flexpoint Tennis Racquets | |
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Liquid Metal
Can someone help me find the density of the metal and unknown liquid?
Help me answer the following question with workings and/or explanation please. Thanks.
A piece of metal is hung from a spring balance calibrated in grams. The spring balance registers 92.5 grams with the piece of metal in air, 82.0 grams when the metal is completely immersed in water, and 83.6 grams when completely immersed in an unknown liquid.
a) What is the density of the metal?
b) What is the density of the unknown liquid?
A very important rule to remember:( Upthrust=Actual weight-Apparent weight.)
To find the density of the metal we need two things,: one is the mass and the other is the volume:
the volume is clearly stated in the question which is 92.5 grams.
To find the volume of the metal we can refer to it's weight when fully immersed in water(Apparent weight). According to the Archimedes's law, the mass of liquid displaced is equal to the upthrust. Since in this case te entire metal is submerged in the water, the metal displaces water of it's own volume. So 10.5 N (Upthrust=Actual weight-Apparent weight=92.5-82.0) Is the upthrust. Going back to the Archimedes's law, the upthrust should equal with the mass of liquid displaced, So 10.5 grams of water was displaced and since we know the density of pure water already, (1.0 g/cm3) we can easily find the volume of the water displaced, which is equal to the volume of the metal. We shouldn't forget the basic rule that the volume of any fully submerged object is equal to the volume of liquid displaced.
(I know it can be confusing sometimes)
Ok now we have both the mass of metal and the volume of metal. so we can find the density of the metal using the equation: Density=mass/volume.
And now for the second part which says to find the density of the unknown liquid that is easier.
The volume of the displaced liquid is known from the previous part which is the same as the volume of the metal. (because the same metal is inserted again in the unknown liquid)
Now the mass of the displaced liquid is 8.1 (92.5-83.6) Why? because as the archimedes's law states that the upthrust is equal to the mass of liquid displaced. (the upthrust on an immersed object is always the difference between it's actual weight and it's apparent weight.)
So again you have the mass and volume of the displaced unknown liquid.
Done. I hope that I could help.
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GREAT STARTER KIT Head LiquidMetal BLAST tennis racquet w/ FREE safety glasses!! | |
0 Bid | US $18.00 | 15h 25m |
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Head Liquidmetal 4 Tennis Racket (4 3/8 Grip size) | |
16 Bids | US $15.75 | 1d 9h 39m |
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head radical oversize liquidmetal | |
0 Bid | US $50.00 | 1d 13h 16m |
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Head Liquidmetal 4 tennis raquet - 4 1/2 grip - restrung - great shape | |
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US $35.00 | 1d 23h 15m |
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Head Liquidmetal 8 Tennis Racket | |
3 Bids | US $27.00 | 2d 1h 53m |
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Head Liquidmetal 4 - 4 1/4" grip, GOOD STRINGS! LOWERED PRICE BUY IT NOW | |
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US $68.99 | 2d 6h 13m |
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Head Liquidmetal 4 tennis racquet | |
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US $45.00 | 2d 8h 37m |
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Head Liquidmetal Instinct Mid Plus Tennis Racquet | |
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HEAD LIQUIDMETAL PRESTIGE MIDPLUS MP 98 630 + NEW GROMMET SET / STRUNG | |
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US $134.99 | 2d 13h 25m |
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Head Liquidmetal Radical MP 4.3/8 Tennis Racket | |
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Head Liquidmetal Prestige Mid plus | |
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Head Liquidmetal 8.5 Oversize Tennis Racquet Racket 4 3/8 Built up 4 7/8 Grip | |
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Head liquidmetal liquid metal 1(one) prestige S1 oversize | |
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HEAD Flexpoint Liquidmetal Prestige Midplus 98 Tennis Racquet 4 3/8 Djokovic | |
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US $99.99 | 3d 12h 32m |
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Head Liquidmetal 4 LM 4 Tennis Racquet NEW STRUNG | |
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US $74.95 | 44m |
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Head Liquidmetal Radical Mid Plus tennis racket, 4.5 | |
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US $40.00 | 4d 8h 38m |
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Head Liquidmetal Prestige mid | |
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Tennis Racquet Head Instinct Liquidmetal Flex Point 4 5/8 Grip | |
1 Bid | US $37.50 | 4d 11h 47m |
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Pair (2) Identical Head Liquidmetal Radical MP 4.3/8 Tennis Rackets Racquets | |
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HEAD Liquid Metal Tennis Bag | |
0 Bid | US $20.00 | 2d 14h 35m |
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Head LiquidMetal Radical Mid-Plus 98 | |
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US $45.00 | 4d 20h 38m |
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HEAD FLEXPOINT 1 OS Liquidmetal 4 1/2 grip tennis racquet New oversized S1 | |
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US $119.99 | 2d 10h 52m |
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NEW Head Liquidmetal Radical MP Mid Plus 4 5/8 Pre-Strung Tennis Racquet Racket | |
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US $79.95 | 6d 8h 27m |
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HEAD Liquidmetal Flexpoint Tennis Racquets | |
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Used HEAD LIQUIDMETAL 8 Tennis Racket w/Original Soft Case (112 Sq. In. Head) | |
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Head LIQUIDMETAL 8 Tennis Racquet (A391) | |
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Head Liquidmetal Radical MP | |
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Head Liquidmetal Radical 690 Agassi Oversize Original 107 OS Tennisracket | |
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Head LiquidMetal Prestige Mid 93 4 5/8 Tennis Racquet | |
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Head LIQUIDMETAL RADICAL OS Strung Tennis Racquet A394 | |
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Liquid Metal Wax Pt Liquid Metal Wax $15.94 Liquid Metal Wax Pt Liquid Metal Wax Collinite Collinite Liquid Metal Wax - PT COLLINITE LIQUID METAL WAX |
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Liquid Metal Static 16X7 4x108 38mm Chrome $182.42 Liquid Metal Static 16X7 4x108 38mm Chrome Built to meet extremely strict standards and offer a precision fit for a wide range of light trucks and SUVs, Liquid Metal wheels are the pinnacle of elite engineering and design.With strong, lightweight |
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Liquid Metal Static 16X7 5x100 38mm Chrome $182.42 Liquid Metal Static 16X7 5x100 38mm Chrome Built to meet extremely strict standards and offer a precision fit for a wide range of light trucks and SUVs, Liquid Metal wheels are the pinnacle of elite engineering and design.With strong, lightweight |
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Liquid Metal Static 16X7 4x114.3 38mm Silver $111.8 Liquid Metal Static 16X7 4x114.3 38mm Silver Built to meet extremely strict standards and offer a precision fit for a wide range of light trucks and SUVs, Liquid Metal wheels are the pinnacle of elite engineering and design.With strong, lightweight |
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Liquid Metal Static 16X7 5x100 38mm Silver $111.8 Liquid Metal Static 16X7 5x100 38mm Silver Built to meet extremely strict standards and offer a precision fit for a wide range of light trucks and SUVs, Liquid Metal wheels are the pinnacle of elite engineering and design.With strong, lightweight |
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Liquid Metal Static 16X7 5x114.3 38mm Chrome $182.42 Liquid Metal Static 16X7 5x114.3 38mm Chrome Built to meet extremely strict standards and offer a precision fit for a wide range of light trucks and SUVs, Liquid Metal wheels are the pinnacle of elite engineering and design.With strong, lightweight |
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Liquid Metal Static 18X7.5 5x114.3 45mm Silver $155.35 Liquid Metal Static 18X7.5 5x114.3 45mm Silver Built to meet extremely strict standards and offer a precision fit for a wide range of light trucks and SUVs, Liquid Metal wheels are the pinnacle of elite engineering and design.With strong, lightweig |
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Freaky Liquid Metal
Can liquid metal be detected in a metal detector ?
Mercury metal can. Provided the electrons are still around, then yes you can.
2 Responses to “Liquid Metal”
you makeup genius!
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