Suspend Water

Suspend Water




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Hungover illusions - Water suspended no cup and balancing forks trick


Koppers Sardine Scaled Salt Water Lure, 4-1/2-Inch, Suspend, Ghost/Natural


Koppers Sardine Scaled Salt Water Lure, 4-1/2-Inch, Suspend, Ghost/Natural


$14.99


The Tool is the perfect choice for fishing over weed choked areas or lily pads. The weed less design allows it to be worked over the cover without hanging up....

LIVETARGET Scaled Sardine Suspending Twitchbait 4 1/2


LIVETARGET Scaled Sardine Suspending Twitchbait 4 1/2



LIVETARGET Life-Like Lures take lure manufacturing to a new level of "Match the Hatch" realism. Featuring 3-D tooling and multi-layered paint to bring the lures alive. Available in the most popular forage bases to match what the fish are feeding on in your home waters in Fresh and Saltwater areas. Try one today!...


LIVETARGET Scaled Sardine Suspending Twitchbait 3 1/2


LIVETARGET Scaled Sardine Suspending Twitchbait 3 1/2



LIVETARGET Life-Like Lures take lure manufacturing to a new level of "Match the Hatch" realism. Featuring 3-D tooling and multi-layered paint to bring the lures alive. Available in the most popular forage bases to match what the fish are feeding on in your home waters in Fresh and Saltwater areas. Try one today!...


Unique Wholesale Transparent Water Gels Packet Vase Fillers for Floating the Pearls...NOT INCLUDING THE PEARLS/SOLD SEPARATELY


Unique Wholesale Transparent Water Gels Packet Vase Fillers for Floating the Pearls...NOT INCLUDING THE PEARLS/SOLD SEPARATELY


$3.59


The Jumbo Pearls are the hottest trend and you can Use our Transparent Water Gel to float The Pearls (the Pearls will NOT float in water alone). Please note that the Transparent Water Gels are specially made to be transparent and to float the Pearls. Please allow 10 hours to soak the Water Gels. You can make the arrangement last for several months by changing and adding fresh water to The Transpar...






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EKIND Robot Hanging Tea Leaf Infuser Strainer for Drinking Water Tea Coffee Milk or Juice with Teaspoon Infuser Ball Herbal Spice Diffuser Filter (Silver)


EKIND Robot Hanging Tea Leaf Infuser Strainer for Drinking Water Tea Coffee Milk or Juice with Teaspoon Infuser Ball Herbal Spice Diffuser Filter (Silver)


$4.99


Material: Stainless steel Use this charming robot stainless steel tea infuser to prepare your favorite loose tea. His arms and hands move to create a custom fit to your favorite tea mug. Rest him on the included drip tray when your tea is steeped. Use his antennas to open and close Robots arms straddle your cup while tea is brewing Adjustable arms suspend over any mug His arms and hands move t...

#suspend - Hashtag Silver Water Bottle Small Mouth 20oz


#suspend - Hashtag Silver Water Bottle Small Mouth 20oz


$20.89


This 20oz stainless steel water bottle makes a great gift or addition to any collection! It features a small mouth and secure screw top. The design will be printed on one side of the bottle as shown. We use a sublimation printing method so the print will never fade! This bottle is hand wash only....

got suspend? - Silver Water Bottle Small Mouth 20oz


got suspend? - Silver Water Bottle Small Mouth 20oz


$20.89


This 20oz stainless steel water bottle makes a great gift or addition to any collection! It features a small mouth and secure screw top. The design will be printed on one side of the bottle as shown. We use a sublimation printing method so the print will never fade! This bottle is hand wash only....

SmarterFresh Hand Held Brass Bidet Sprayer, Premium Brass Diaper Sprayer Shattaf - Complete Set for Toilet Hand Shower, Hand Bidet Toilet Attachment Sprayer - Muslim Shower


SmarterFresh Hand Held Brass Bidet Sprayer, Premium Brass Diaper Sprayer Shattaf - Complete Set for Toilet Hand Shower, Hand Bidet Toilet Attachment Sprayer - Muslim Shower


$42.99


The Hand Held Brass Bidet by SmarterFresh® is an alternative to our stainless steel model. The unit includes an Adjustable Pressure Brass Bidet Sprayer Head, Brass Shut Off T Valve Adapter, Bidet Sprayer Hose with EDPM Inner Tube, and Brass Holder Hook for attachment to your toilet tank. These quality components will immediately bring added comfort to your bathroom as well as luxury to your bathr...

Sunflair Water Pasteurization Indicator (WAPI)


Sunflair Water Pasteurization Indicator (WAPI)


$9.49


Be prepared in an emergency! This water pasteurization indicator (WAPI) tells you when your water is safe to drink. Suspend the WAPI, wax end up, in a container of water and place in the SUNFLAIR® solar oven. The wax inside melts at water pasteurization temperature (149 F). When the wax has melted down to the bottom of the tube, the water is safe to drink. Flip it over and reuse again and again. ...

Rain Bird SST600I Simple To Set Indoor Timer, 6-Zone


Rain Bird SST600I Simple To Set Indoor Timer, 6-Zone


$42.42


Add more value, versatility and convenience to your automatic underground watering system with a Rain Bird SST Series Automatic Sprinkler Timer. Customize watering schedules tailored to your unique landscape needs, while dramatically conserving water and improving lawn and plant health. The Simple-To-Set Sprinkler Timer offers maximum versatility and efficient watering with water-conscious feature...

GreenAir SpaVapor+ Instant Wellness 150ml Essential Oil Diffuser for Aromatherapy


GreenAir SpaVapor+ Instant Wellness 150ml Essential Oil Diffuser for Aromatherapy


$31.99


Diffusers turn water and essential oils into a very fine mist for aromatherapy purposes. Aromatherapy is useful for pain relief, mood enhancement, increased cognition, common colds, and more. The GreenAir SpaVapor+ uses patented ultrasonic technology to create ultrafine mists for longer periods of time and better inhalation. It’s affordable, reliable, and designed to work for years on end. It in...

RLR Laundry Treatment - 2 Treatment Pods


RLR Laundry Treatment - 2 Treatment Pods


$6.95


Leaky cloth diapers and diapers that stay stinky even after washing can be a huge frustration to the cloth diapering parent. Parents seeking out a solution can look to RLR Laundry Treatment . This easy-to-use laundry additive is safe for all fabrics as well as covers treated with PUL.
What RLR Is and Is Not

RLR Laundry Treatment is a laundry additive that enhances fabric quality. It is not a soap...


Pack of 2 - Zandu Ayurveda Zandopa - 200g


Pack of 2 - Zandu Ayurveda Zandopa - 200g


$16.94


Life is beautiful again. Indication: Idiopathic Parkinsonism. Special instructions: PRECAUTIONS: All known precautions and contraindications as applicable to synthetic L-dopa formulation should also be followed while prescribing Zandopa. Monoamine oxidase inhibitors, if taken by patients, must be discontinued atleast 2 weeks prior to institution of Zandopa therapy. As with levodopa,periodic evalua...

Kelsyus Floating Water Hammock


Kelsyus Floating Water Hammock


$26.16


Lay back and relax on the Kelsyus Floating Hammock! This water float has durable fabric-covered inflation and a soft mesh bed for a luxurious floating experience, suspending your body just below the water's surface, helping to keep you cool on those hot summer days. The oversized inflatable pillow supports your head and neck so you can keep your head mostly dry while the cares of every day life dr...

Kelsyus Floating Lounger


Kelsyus Floating Lounger


$29.99


The Kelsyus Floating Lounger is the ultimate float for water lovers! Kick back and relax on this fabric-covered floating lounge chair with an integrated backrest, footrest and cup holder. The comfortable cooling mesh seat suspends your lower body just below the water's surface, keeping you cool on hot summer days. Additional mesh covers the supportive backrest and ottoman, providing a luxurious fl...

Premium Bath Toy Organizer - Large Storage Net Bag for Bathtub Toys | Bonus Heavy Duty Suction Hooks | Bonus eBook of Fun Bathtime Activities - Making Bath Time Safe and Fun for Baby Boys and Girls


Premium Bath Toy Organizer - Large Storage Net Bag for Bathtub Toys | Bonus Heavy Duty Suction Hooks | Bonus eBook of Fun Bathtime Activities - Making Bath Time Safe and Fun for Baby Boys and Girls


$9.99


Has your bath tub become a toy box? Our handy Bath Toy Organizer adheres to your bath wall for quick, easy storage of tub toys. Sturdy mesh prevents water from collecting and allows toys to air-dry, deterring the formation of unhealthy mold and mildew. Two strong 6cm suction cups hold the bag up out of the way, with the slim profile ensuring that others aren't hindered by its presence. Pull the...

Floaty Hand Grip with Strong cuff Wrist Strap For Gopro hero 4 SJCAM SJ4000 Xiaomi yi Action camera


Floaty Hand Grip with Strong cuff Wrist Strap For Gopro hero 4 SJCAM SJ4000 Xiaomi yi Action camera


$15.99


The Floating Hand Grip with strong wrist strap bring safety to your GoPro camera and enjoy recording the best moments you capture in or around the water. The floating hand grip will keep your GoPro afloat when plunged or submerged in the water. It will add a whole new dimension to your underwater filming. This EVA-gripped handle has a direct attachment for your GoPro and offers 180 degrees of tilt...

Watershot PRO Underwater Housing Kit for iPhone 6 Plus/6s Plus (Black/Snorkel Blue)


Watershot PRO Underwater Housing Kit for iPhone 6 Plus/6s Plus (Black/Snorkel Blue)



Capture the grandeur of the ocean with the black and snorkel blue Watershot PRO Underwater Housing for iPhone 6 Plus/6s Plus. Designed for pros and amateur enthusiasts alike, this housing uses a locking cam latch system to keep your device dry and resists water up to 195'. The rubberized housing fully suspends your iPhone, shielding it from shock, abrasion, and pressure. The housing uses a free ca...



Suspend Water

Find density of a statue, by suspending it from a spring, in air and in water to give 28.4N and 17N, density?

Full Question:

You are determining the density of a statue. When you suspend it from a spring scale, the scale measures 28.4N. When you completely immerse it in water, the scale reads 17.0N. What is the statue’s density?

Not sure how to tackle this one....
thanks heaps, thats great!

Well, let's see what we know. I guess you're supposed to consider the buoyant force in air also. So we don't know what the scale would measure in vacuum. It will be slightly more than 28.4 N.

The statue has a mass m, density d, volume V. The (unknown) weight in vacuum is mg.

In air, the buoyant force is the weight of the displaced air = (V*d_air)*g where d_air = density of air.

So mg - V*d_air*g = 28.4 N.

And in water, mg - V*d_water*g = 17 N.

Two equations for two unknowns m and V so this can be solved (d_air and d_water are constants that can be looked up). Subtract the 2nd equation from the 1st:
-V*d_air*g + V*d_water*g = 28.4 - 17 = 11.4

V(d_water - d_air)g = 11.4

V = 11.4/[ (d_water - d_air)*g ]

So that will give you V and you can plug it into either equation to get m. The density of the statue is m/V of course.

(edited)

Actually, I guess you don't need to worry about the density of air. If you assume that 28.4 N is the object's weight and air has a density of 0 (it's actually about 1/1000 that of water), the equations are:

mg = 28.4 N
mg - V*d_water*g = 17 N

So V = 11.4/( d_water*g)

And since m = 28.4 N/g

just plug in the values and calculate m/V.

It's late so I made this problem more complicated than it needs to be.

Suspend Water