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IgorLugansk [536]
3 years ago
7

What is group 18 of the periodic table called

Physics
2 answers:
elixir [45]3 years ago
8 0
The noble gases is the answer
Sonja [21]3 years ago
4 0
D. Noble Gases. Hope this helped!
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Two men are trying to carry a wooden pole. If one of them is weaker than other, how can they carry the pole hence making small l
Romashka-Z-Leto [24]

Answer: Answer down below.

Explanation:

6 0
1 year ago
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How many minutes would it take a light wave to travel from the planet Venus to Earth? (Average distance from Venus to Earth = 28
Gnesinka [82]

Answer:

t=2.51min

Explanation:

The time taken by the light to travel a given distance is defined as:

t=\frac{d}{c}

Here c is obviously the speed of light. Now we convert the average distance form Venus to Earth to meters:

28*10^{6}mi*\frac{1609.34}{1mi}=4.51*10^{10}m

Finally, we calculate the minutes taken by the light to travel from Venus to Earth:

t=\frac{4.51*10^{10}m}{3*10^8\frac{m}{s}}\\t=150.33s*\frac{1min}{60s}=2.51min

6 0
3 years ago
Jay bought a toy car. To make the car move, he must turn a key attached to a spring. Turning the key winds the spring tight. The
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The chemical energy in Jay's body, to kinetic energy in the car
5 0
3 years ago
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What is the difference between a mechanical wave and an electromagnetic wave
ivann1987 [24]

Answer:

1. Electromagnetic waves travel in a vacuum whereas mechanical waves do not.

2. The ripples made in a pool of water after a stone is thrown in the middle are an example of mechanical wave. Examples of electromagnetic waves include light and radio signals.

3. Mechanical waves are caused by wave amplitude and not by frequency. Electromagnetic Waves are produced by vibration of the charged particles.

4. While an electromagnetic wave is called just a disturbance, a mechanical wave is considered a periodic disturbance.

Explanation:

5 0
2 years ago
I need help on all of this
wel

dude is -2m/s, ...ettte is +2m/s

pos vel is when dudette, eg, is going in increasing x, in this case.

neg vel  is when dudette, eg, is going in decreasing x, in this case. ie she turns round and runs

zero vel is zero speed. dudette standing still

positive vel neg pos top dia

no

yes

yes

yes

yes

yes

all yes looks like ...




4 0
2 years ago
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