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Molodets [167]
3 years ago
8

Four different objects are placed on a number line at 0. The chart describes the motion of each object.

Physics
1 answer:
Ket [755]3 years ago
8 0

Answer:

Z

Explanation:

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When a 2.50 kg object is hung vertically on a certain light spring described by hookes law the spring stretches 2.76 cm.
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F=K*X,
F=M*a 

M*a=K*X

2.5*9.81=K*0.0276

24.525=K*0.0276

24.525/0.0276=K

K= 888.6 N/m ---- force constant 

assuming 2.5 refers to the new extension, just divide F/ 0.025
to get

981N/m 


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The amount of fluid displaced by a submerged object depends on its
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The amount of fluid displaced by a submerged object depends on its volume.
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Why would genetic material need to be able to reproduce
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The s.I unit of R so that the equation velocity= R × density S dimensionally correct R is a constant
Leviafan [203]

Answer:

R = m⁴/kg . s

Explanation:

In this case, the best way to solve this is working with the units in the expression.

The units of velocity (V) are m/s

The units of density (d) are kg/m³

And R is a constant

If the expression is:

V = R * d

Replacing the units and solving for R we have

m/s = kg/m³ * R

m * m³ / s = kg * R

R = m * m³ / kg . s

<h2>R = m⁴ / kg . s</h2>

This should be the units of R

Hope this helps

5 0
3 years ago
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