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3 years ago

Answer????????????????????????

Physics

2 answers:

Andrei [34K]3 years ago

5 0

Answer:

Their outer shell is filled.

Explanation:

This means they can't allow any incoming electron, hence they are very stable.

Noble gases are inert

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Keith_Richards [23]3 years ago

3 0

Answer:

The atoms of noble gases already have complete outer shells

Explanation:

so they have no tendency to lose, gain, or share electrons. This is why the noble gases are inert and do not take part in chemical reactions. ... atoms of group 0 elements have complete outer shells (so they are unreactive)

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A person riding on a bus hears the horn of a car that the bus is approaching. After the bus passes the car and is traveling away

Grace [21]

Answer:

option (c)

Explanation:

According to the doppler's effect, the frequency of sound decreases.

If there is a relative motion between the source and the observer, the frequency of sound changes apparently.

the formula of the doppler effect is given by

$f' =\frac{v-v_{o}}{v}}f$

where, f is the real frequency, v be the speed of sound, vo be the speed of the observer, here, the bus is the observer.

So, the value of f' < f

4 0

3 years ago

Which is an example of radioactivity that occurs when a neutron is converted to a proton and an electron is emitted from the nuc

aleksandr82 [10.1K]

Answer:

Beta minus decay

Explanation:

Beta decay is due to a weak nuclear interaction, it takes place in the atomic nucleus and occurs when a neutron is converted to a proton, or a proton into a neutron. When a neutron is converted to a proton an electron and an electronic antineutrino are emitted from the nucleus, this is called beta minus decay.

8 0

4 years ago

If there is 10% sales tax on a car costing $18,000

MaRussiya [10]

Answer:

180

Explanation:

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6 0

3 years ago

Read 2 more answers

How are motion and acceleration alike? How are they different?

ratelena [41]

Answer:

Motion is the action of moving, and acceleration is the action of moving faster or increasing speed. I guess you could say they are both in a state of motion or moving.

Explanation:

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3 years ago

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aniked [119]

Answer:

Option C

Explanation:

Centripetal acceleration formula regarding velocity and radius is,

$a_c=\frac{v^2}{r}$