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vova2212 [387]
3 years ago
11

The element found in Period 2, Group 8 is called Argon. True False

Physics
2 answers:
anastassius [24]3 years ago
4 0

Group 8 is a group (column) of chemical elements in the periodic table. It consists of iron (Fe), ruthenium (Ru), osmium (Os) and hassium (Hs). They are all transition metals.

Vilka [71]3 years ago
4 0
False, it is not Argon.
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Good morning! Can someone please answer this, ill give you brainliest and you will earn 50 points.
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Wind and weather patterns are caused when warm air near the surface of the Earth rises to higher levels in the atmosphere. The a
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8. Placing your vehicle between the pilot/escort vehicle and an oversize/overweight vehicle can be dangerous.A. TrueB. False
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3 years ago
Two cars, one of mass 1100 kg, and the second of mass 2500 kg, are moving at right angles to each other when they collide and st
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Answer:

v_{f}=17.47 m/s

Explanation:

Let's use the conservation of momentum to solve it.

p_{initial}= p_{final} (1)

  • The total initial momentum will be: m_{1}v_{1i}+m_{2}v_{2i}
  • The total final momentum will be: m_{1}v_{1f}+m_{2}v_{2f}, but as they stick together after the collision, v1f = v2f = vf.

So we can rewrite (1), using the above information:

m_{1}v_{1i}+m_{2}v_{2i}=m_{1}v_{f}+m_{2}v_{f}

m_{1}v_{1i}+m_{2}v_{2i}=v_{f}(m_{1}+m_{2})

v_{f}=\frac{m_{1}v_{1i}+m_{2}v_{2i}}{m_{1}+m_{2}}

v_{f}=\frac{1100\cdot 14+2500\cdot 19}{1100+2500}

Finally, the magnitude of the velocity of the wreckage of the two cars immediately after the collision is:

v_{f}=17.47 m/s

I hope it helps you!

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A wave transfers energy from the source outward in the direction of wave motion.

To add, <span>in physics, a </span>wave<span> is an oscillation accompanied by a transfer of energy that travels through a medium (space or mass). Frequency refers to the addition of time.</span>

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