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jekas [21]
3 years ago
12

A large locomotive with a mass 4 times that of the smaller motionless railroad car collides and couples together. What is their

combined speed after the collision?
collision?
Physics
1 answer:
Sergeu [11.5K]3 years ago
6 0

Answer: hMMMMmMmM

Explanation: It depends on the size and how fast the 2 objects were already going and by this answer i think the speed would have been around 140mph

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One mole of titanium contains how many atoms?
Vladimir [108]

Answer:

\boxed {\boxed {\sf D. \ 6.02*10^{23} \ atoms}}

Explanation:

One mole of a substance contains the same amount of representative particles. These particles can be atoms, molecules, ions, or formula units. In this case, the particles are atoms of titanium.

Regardless of the particles, there will always be <u>6.02*10²³</u> (also known as Avogadro's Number) particles in one mole of a substance.

Therefore, the best answer for 1 mole of titanium is D. 6.02*10²³ atoms.

3 0
3 years ago
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A truck is driving over a scale at a weight station. When the front wheels drive over the scale, the scale reads 5800 N. When th
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Answer:

x_2=1.60m

Explanation:

From the Question We are told that

Initial Force F_1=5800N

Final Force F_2=6500N

Distance between the front and rear wheels \triangle x=3.20 m

Since

 \triangle x=3.20 m

Therefore

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 x_1=3.20-x_2

Generally the equation for The center of mass is at x_2 is mathematically

given by

 x_2 =\frac{(F_1x_1+F_2x_2)}{(F_1+F_2)}

 x_2=3.20F_1-\frac{x_2F_1+F_2x_2}{(F_1+F_2)}

 2*F_1*x_2 =3.20F_1

 x_2=1.60m

6 0
2 years ago
When tuning a guitar, by comparing the frequency of a string that is struck against a standard sound source (of known frequency)
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Bdjsbevevfbfcnbfbffbs s kdkfc
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