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We're making the following assumptions:
-- the box has no weight
-- the water is pure distilled
-- the temperature of everything is 4° C
-- the atmospheric pressure is 1 atmosphere.
Weight of 30 cubic ft of water: 1,872 pounds
Weight of 30 cubic ft of air: 2.376 pounds
Weight needed to sink the box = (1,872 - 2.376) = 1,869.6 pounds (rounded)
What else can I help you with?
Why does a scuba diver need more weight in the ocean than in fresh water?
A scuba diver needs more weight in the ocean than in fresh water because salt water is denser than fresh water, making it more buoyant. The additional weight helps the diver sink and maintain a neutral buoyancy underwater.
Would an object sink faster in fresh water or salt water?
An object would sink faster in salt water because salt water is denser than fresh water. The higher density in salt water creates more buoyant force, allowing objects to sink faster than in fresh water.
How fast does a marble sink in salt water?
A marble will sink faster in salt water compared to fresh water due to the increased density of salt water. The speed at which the marble sinks will depend on factors such as the size and weight of the marble, as well as the concentration of salt in the water. Generally, the denser the water, the faster the marble will sink.
How do you know if a product will sink in water?
A product will sink in water if its density is greater than the density of water. This means that the weight of the product is greater than the weight of the water it displaces, causing it to sink.
Where stone sink in water?
A stone will sink in water because its density is greater than that of water. This means that the weight of the stone is heavier than the weight of the displaced water, causing it to sink.
Why the egg sink in a fresh water?
An egg sinks in fresh water because its density is higher than that of water. The weight of the egg overcomes the buoyant force exerted by the water, causing it to sink.
Why does a scuba diver need more weight in the ocean than in fresh water?
A scuba diver needs more weight in the ocean than in fresh water because salt water is denser than fresh water, making it more buoyant. The additional weight helps the diver sink and maintain a neutral buoyancy underwater.
Does fresh or salt water sink?
fresh water
What can float in salt water but sink in fresh water?
i think it is ppeople because they float in salt water and sink in fresh water.
Where will a body sink more in fresh water or in sea water?
Fresh water...
Why does fresh egg sink in fresh water?
;';''[][],kl,k,
Can fresh water fish live in sink water?
no
Does salt water or fresh water affect the flotation height of an object?
yes An object, like a boat for example, will sink into the water until the weight of the water it displaces equals the gross weight of the object. Since salt water is denser than fresh water, a boat will sit slightly higher in salt water. (That's why the Mythbusters needed far fewer ping pong balls to raise a boat from the bottom of the bay than they originally calculated; they based their calculation on the fresh water boyancy of the ping pong balls.)
Why does egg sink in fresh water but in salt water it floats?
Salt water is denser than fresh.
If you float in salt water what will you do in fresh water?
If you just barely float in salt water, you will sink in fresh water.
Would an object sink faster in fresh water or salt water?
An object would sink faster in salt water because salt water is denser than fresh water. The higher density in salt water creates more buoyant force, allowing objects to sink faster than in fresh water.
How do you know if an object will float or sink in fresh water?
It depends on the density of the object. If an object is denser than fresh water, it will sink. If it is less dense than the fresh water, it will float.
