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1. A BEAKER WEIGHS 120 g WHEN EMPTY AND 280 g WHEN FILLED WITH KEROSENE. FIND THE VOLUME OF THE BEAKER.     THE DENSITY O KEROSENE = 800 kg / m3.
 
2. A METAL BALL WEIGHS 1.8 kg. THE VOLUME OF THE BALL IS 250 cc. FIND THE DENSITYOF THE METAL.
 
3. WHAT DOES "CC" MEANS?

Asked by fast.ffa2006 29th May 2016, 9:41 AM
Answered by Expert
Answer:
2. Given:
Mass = 1.8 kg and
Volume = 250 cc = 250 cm3 =250 × 10-6 m3
We know that 
begin mathsize 12px style Density equals Mass over Volume
therefore Density equals fraction numerator 1.8 space kg over denominator 3250 cross times 10 to the power of negative 6 end exponent space straight m cubed end fraction
rightwards arrow Density equals 7200 space kg divided by straight m cubed end style
 
Note: kindly ask other questions as a separate query each.
Answered by Expert 30th May 2016, 11:44 AM
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