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Flura [38]
3 years ago
6

An iron nail is made up of particles. What is true about the particles?

Physics
2 answers:
leonid [27]3 years ago
7 0
B is correct because is the force was large then the nail would bend itself
elena-s [515]3 years ago
4 0

D is correct.  • Particles in a solid are fixed in position close to each other and vibrate.

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miskamm [114]

Answer: The object moves with constant velocity

Explanation:

In this velocity vs time graph we're dealing with Ap physics or regents physics. If we look at the slope we can see it is constant or not changing. Even so lets check the other answers and prove them wrong

The objects speed increases: This is wrong because the line shows a steady 5m/s with no change

The object is in free fall: If the object was in freefall the speed would be increasing as a result of acceleration due to gravity

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4 0
2 years ago
Suppose you have three springs with force constants of k1 = k2 = k3 = 3.70 x 10^3 N/m. What is their effective force constant if
disa [49]

Answer:

The effective force constant is 1233.33 N/m.

Explanation:

It is given that,

Force constant 1, k_1=3.7\times 10^3\ N/m

Force constant 2, k_2=3.7\times 10^3\ N/m

Force constant 3, k_3=3.7\times 10^3\ N/m

The effective force constant if one is hung from the other in series is given by :

\dfrac{1}{K_{eff}}=\dfrac{1}{k_1}+\dfrac{1}{k_2}+\dfrac{1}{k_3}

\dfrac{1}{K_{eff}}=\dfrac{1}{3.7\times 10^3}+\dfrac{1}{3.7\times 10^3}+\dfrac{1}{3.7\times 10^3}

K_{eff}=1233.33\ N/m

So, the effective force constant is 1233.33 N/m. Hence, this is the required solution.

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