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23 Nov 2019

If Archimedes was correct, the experimentally determined value of the buoyant force should equal the theoretically calculated value. In my case it does not. I came up with a 6.36 % of difference. Why? What could have caused the difference?

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

I have no idea ho to do part (c) of this problem. If you canpleasehelp I would greatly appreciate it (and rate). Thank You.


An lead block ofvolume 0.20 m3 is suspended fromaspring scale and immersed in a flask of water. Thenthe lead blockis removed, andan aluminum block of the same volume replaces it.
(a) In which case is the buoyant force the greatest, forthe leadblock or the aluminumblock?
thebuoyant force is the same foreachaluminumblock lead block



(b) In which case does the spring scale read the largest value?
lead blockaluminumblock thescale reading isthe same for each



(c) Use the known densities of these materials to calculatethequantities requested in parts (a) and (b). Compareyourcalculations (for consistentency) with your previous answerstoparts (a) and (b)?
Material Buoyant force Scale reading
lead N N
aluminum N N

The loaded car of a roller coaster has a mass M = 320. It goesover a hill with v or 21.4 m/s. The radius of curvature R of thehill is 15.3 m.

1. What is the force N that the track must excer on the car?(postitive is up)

2. What must be the force that the car exerts on a 61 kgpassenger

I worked on this and came up with (((21.4^2 / 15.6) + 9.8)*320))/2

I thought that was giving me the right answer, and it was close,but not correct. The answers should be around -6440 and -1230.

Thanks for any help.

I completed a centripetal force experiment with a rotatingmassattached to a horizontal spring, measured various radii,withcalculated time period of 50 revolutions, a measured forceequal toforce of gravity attached to mass and string/pulleyandexperimental force using F cent = 4pi^2 (mass)/( T^2)* r. Ihadsome questions i was unsure about from post-labdiscussion.
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