0.5 long bar of 30cm diameter has a density 8gm/cc calculate the mass in kg?
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Answer:
282600 cm³
Explanation:
Assuming the bar is cylindrical.
Calculate the volume of the bar:
V= πr²h
= 22/7× 15×15×0.5×100
= 35325 cm³
D = 8 gm/cm³
D=M/V
M=D×V= 8 × 35325= 282600 cm³
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