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Vedmedyk [2.9K]
3 years ago
12

Which displacement value will produce the smallest restoring force if the same spring is used in each case?

Physics
2 answers:
ivann1987 [24]3 years ago
7 0
The answer is 1/3 cm
Oksi-84 [34.3K]3 years ago
5 0
The answer is 1/3 cm. cause i had the same question, and that was the correct answer.
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A spring with spring constant 31 N/m is attached to the ceiling, and a 4.5-cm-diameter, 1.5 kg metal cylinder is attached to its
aalyn [17]

Answer:

0.315758099469 m

Explanation:

m = Mass of cylinder = 1.5 kg

\rho = Density of water = 1000 kg/m³

V = Volume = Ah

A = Area = \pi r^2

k = Spring constant = 31 N/m

x = Displacement

g = Acceleration due to gravity = 9.81 m/s²

Here the forces are conserved

Weight of cylinder = Buoyant force + Spring force

mg=\rho Vg+kx\\\Rightarrow mg=\rho Ahg+kx\\\Rightarrow 1.5\times 9.81=1000\times \pi(2.25\times 10^{-2})^2x\times 9.81+31x\\\Rightarrow 1.5\times 9.81=46.60213x\\\Rightarrow x=\dfrac{1.5\times 9.81}{46.60213}\\\Rightarrow x=0.315758099469\ m

The length of the submerged cylinder is 0.315758099469 m

4 0
4 years ago
List five (5) compounds h2o can form (10 points)
Elena-2011 [213]

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3 years ago
Suppose that the Millennium Falcon orbits the Death Star 20,000m above the Star’s surface. Calculate the circular orbit velocity
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Answer:

18.4 m/s

Explanation:

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where

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h=20,000 m is the altitude of the Millennium Falcon above the planet's surface

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v=\sqrt{\frac{GM}{R+h}}=\sqrt{\frac{(6.67\cdot 10^{-11})(5.1\cdot 10^{17} kg)}{80,000 m+20,000 m}}=18.4 m/s

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s344n2d4d5 [400]
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