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How does buoyancy act on objects - Scuba Diving & Snorkeling

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Help on indirect and direct object


The indirect object is the recipient of the direct object. The direct object of a verb is the thing being acted upon.

John gave Peter a drink. John gave what? A drink. Drink is the direct object. It is what the verb "is handling."

And just who received what the verb "handled"? Peter.

Apr 07, 2017 | Homework

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What does the law of buoyancy mean


the law of buoyancy is the principle that describes why some objects float over water and some others sink: when you put something in water, it receives an upword force equal to the weight of the water it displaces.
this is important in diving in many ways.. and in particular, in diving, you always want to have a neutral buoyancy: this means that if you are standing still in water and you have a neutral buyoancy, you don't sink nor come back to surface

you have a neutral buoyancy if you "displace" always the correct volume of water.. in other words, you always need to occupy about the same volume: if you go in deep water, the water pressure will "reduce" your volume, so to mantain a neutral buoyancy you have to inflate air in your buoyancy compensator jacket to expand its volume.
otherway, if you're coming back to surface, pressure reduces and your body occupies more volume, so you have to deflate your jacket.

Apr 04, 2017 | Scuba Diving & Snorkeling

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What does an emulator looks like


An emulator can look like anything. The purpose of an emulator is to act like (emulate) another object. Often this means the emulator looks like the object it's emulating. A calculator emulator, for example, will look like the calculator it's emulating.

This doesn't always hold true. An i386 emulator for a PowerPC, for example, makes the PowerPC act like an Intel i386 so it can run software intended for the Intel chip. It will not look like an Intel chip.

Apr 11, 2013 | WhatsApp Messenger

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What is acceleration


In Physics acceleration is the rate of change of velocity over time. In one dimension, acceleration is the rate at which something speeds up or slows down.

In mechanics, for a body with constant mass, the acceleration of the body is proportional to the net force acting on it.

F=ma

where F is the resultant force acting on the body, m is the mas of the body, and a is its acceleration.

Acceleration is a vector quantity that is defined as the rate at which an object changes its velocity. An object is accelerating if it is changing its velocity.

When an object's velocity changes, it accelerates. Acceleration shows the change in velocity in a unit time. Velocity is measured in meters per second, m/s, so acceleration is measured in (m/s)/s, or m/s2, which can be both positive and negative.

Go to the following links for more deatails



http://www.physicsclassroom.com/class/1dkin/u1l1e.cfm



http://library.thinkquest.org/10796/ch3/ch3.htm

Nov 22, 2010 | The Learning Company Achieve! Math &...

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I have a bought a second hand mares 1000 mrs bcd and upon receipt have noticed one of the chest/shoulder clips has been stitched on the wrong way round ( back to front). This means that to wear the clip...


You are correct, the buckle will need to be removed and put back on the correct way. Shouldnt cost that much, I had a buckle replaced by a local shop/laundrette that did repairs, was only a few GBP. Hope that helps

Oct 17, 2010 | mares JUBILEE Buoyancy Compensator

2 Answers

Dacor/Mares Airtrim


Hi,

Which deflate?? Could just be it needs a service.. Has it had one recently??

Jul 16, 2009 | mares JUBILEE Buoyancy Compensator

1 Answer

Sound driver


What does a computer driver have to do with Scuba Diving?

Jun 09, 2009 | mares JUBILEE Buoyancy Compensator

1 Answer

Oral inflate tube checkvalve leaking


I believe you can take ge silicone sealant and put some on the end of a toothpick and if you can rebuild the area it will work

It stays plyable and will hold up under water

Jan 05, 2009 | mares JUBILEE Buoyancy Compensator

1 Answer

I have a Dacor airtrim BC. The oral inflate tube checkvalve is leaking. I need a new valve.


it may be dirty. you can unscrew the valve and see if any dirt or sand is keeping it from sealing.

Jan 05, 2009 | mares JUBILEE Buoyancy Compensator

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