if 1ft 10in. iron bar have 0.5kg weight. how can i sort out

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if 1ft 10in. iron bar have 0.5kg weight. how can i sort out

Postby irrffan » Wed Oct 18, 2006 10:50 am

If an iron bar of 1 foot 10 inches long have a weight of 1/2 kg(500mg) how can i sort out:

Exact weight of :

1 foot long iron bar.

The size of one KG (1000g) bar.

I need formula to convert them.

Example:
(15.3kg = Length: ???)
(12ft 6in. bar = weight:?? )
irrffan
 

Postby Dirtman » Thu Oct 19, 2006 12:29 pm

irrffan wrote:If an iron bar of 1 foot 10 inches long have a weight of 1/2 kg(500mg) how can i sort out:

Exact weight of:


Hmm, which exact weight would that be? 0.5 kg or 500 mg? 0.5 kg = 500,000 mg, not 500 mg. :? Using different units of weight can get confusing. As kilograms are the units of weight you use in all of your questions, we'll use kilograms.

For further calculations, we need a weight per linear unit of length. Since the bar is 22 inches long, inches is a logical choice. Divide the total weight of the bar by the total number of inches. This gives us the weight per inch.

0.5 kg / 22" = 0.022727 kg per inch

1 foot long iron bar.


12 inches * 0.022727 kg per inch = 0.27727 kg

The size of one KG (1000g) bar.


1 kg / 0.027727 kg per inch = 44 inches long

(15.3kg = Length: ???)

15.3 kg / 0.027727 kg per inch = 673.2081 inches

(12ft 6in. bar = weight:?? )

18 inches * 0.027727 kg = 0.40909 kg

George
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