A block of wood has a mass of 3.34 kg and a density of 602 kg/m³. It is to be loaded with lead (1.13 × 104 kg/m³) so that it will float in water with 0.903 of its volume submerged. What mass of lead is needed if the lead is attached to (a) the top of the wood and (b) the bottom of the wood? (a) Number i ! Units kg (b) Number i ! Units kg

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter14: Fluid Mechanics
Section: Chapter Questions
Problem 65P: If a person's body has a density of 995 kg/m3, what fraction of the body will be submerged when...
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A block of wood has a mass of 3.34 kg and a density of 602 kg/m³. It is to be loaded with lead (1.13 × 104 kg/m³) so that it will float in
water with 0.903 of its volume submerged. What mass of lead is needed if the lead is attached to (a) the top of the wood and (b) the
bottom of the wood?
(a) Number
i
!
Units
kg
(b) Number
i
!
Units
kg
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Transcribed Image Text:A block of wood has a mass of 3.34 kg and a density of 602 kg/m³. It is to be loaded with lead (1.13 × 104 kg/m³) so that it will float in water with 0.903 of its volume submerged. What mass of lead is needed if the lead is attached to (a) the top of the wood and (b) the bottom of the wood? (a) Number i ! Units kg (b) Number i ! Units kg Save for Later Attempts: 1 of 3 used Submit Answer
Find the change in volume of an aluminum sphere with an initial radius of 10 cm when the sphere is heated from 0.0°C to 130°C. The
linear expansion coefficient of aluminum is 23 × 10-6 /Cº.
Number
i
Units
cm^3
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Attempts: 2 of 3 used
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Transcribed Image Text:Find the change in volume of an aluminum sphere with an initial radius of 10 cm when the sphere is heated from 0.0°C to 130°C. The linear expansion coefficient of aluminum is 23 × 10-6 /Cº. Number i Units cm^3 Save for Later Attempts: 2 of 3 used Submit Answer
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