Austin performed an experiment. He put 100mL of vegetable oil (density 0.9 g/ml) in a graduated cylinder. He put a 100g mass of an unknown metal in to the oil and it sank while displacing 11 mL of oil. How much should the unknown metal weigh in the oil?

Question

String Bean

Physics

27 September, 16:57

Austin performed an experiment. He put 100mL of vegetable oil (density 0.9 g/ml) in a graduated cylinder. He put a 100g mass of an unknown metal in to the oil and it sank while displacing 11 mL of oil. How much should the unknown metal weigh in the oil?

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Answers (1)

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Javier Downs · Answer 1

mass of displaced oil = 11 x. 9

= 9.9 gm

9.9 x 10⁻³ kg

weight of displaced oil = 9.9 x 9.81 x 10⁻³ N

=.097 N.

buoyant force by oil =.097 N

weight of unknown metal =.1 x 9.8

=.98 N.

weight of metal in oil =.98 -.097

=.883 N.

=