Question

TU
JU 101 UP.
2. A uniform aluminium bar is 16.0 inches long. Its mass is
6.25 lb. Determine the mass of the bar in grams per
centimeter of length.

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Answer 1

Answer:

70

Explanation:

$1lb = 453.592g \\ 1in = 2.54cm \\ therefore \: 6.25lb = 2834.952g \\ 16in = 40.64cm$

Mass of the bar in g/cm is

$\frac{2834.952}{40.64} = 70(approximately)$