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3 years ago

Which of the following is an example of a Cnidarian?

Physics

2 answers:

siniylev [52]3 years ago

5 0

The answer to this is C jellyfish i am positive

hope this helps

Agata [3.3K]3 years ago

3 0

Jellyfish are an example of cnidarian

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Consider an electron that is 10-10 m from an alpha particle (9 = 3.2 x 10-19 C). (Enter the magnitudes.) (a) What is the electri

Studentka2010 [4]

Answer:

a) $E=2.88*10^{11}N/C$

b) $E=1.44*10^{11}N/C$

c) $F=4.61*10^{-8}N$

Explanation:

We use the definition of a electric field produced by a point charge:

$E=k*q/r^2$

a)Electric Field due to the alpha particle:

$E=k*q_{alpha}/r^2=9*10^9*3.2*10^{-19}/(10^{-10})^2=2.88*10^{11}N/C$

b)Electric Field due to electron:

$E=k*q_{electron}/r^2=9*10^9*1.6*10^{-19}/(10^{-10})^2=1.44*10^{11}N/C$

c)Electric Force on the alpha particle, on the electron:

The alpha particle and electron feel the same force but with opposite direction:

$F=k*q_{electron}*q_{alpha}/r^2=9*10^9*1.6*10^{-19}*3.2*10^{-19}/(10^{-10})^2=4.61*10^{-8}N$

4 0

2 years ago

Please help me asapp!!!!!!!!!!!!!!!!

Contact [7]

Answer:

Front weels

Explanation:

Because they are the one which select the direction of the car.

3 0

3 years ago

Read 2 more answers

What is the answer I’m stuck on this one it’s a screenshot for the question

Dmitry_Shevchenko [17]

Answer:

deceleration is the opposite of acceleration

Explanation:

We know that acceleration is the increase of speed with respect to time. So deceleration must be represented on the graph as a decrease in speed over time.a

3 0

1 year ago

What is the speed of gravity

mojhsa [17]

9.8m per seccond is the speed of gravity if you drop something like a ball from a tower

8 0

3 years ago

. Why are meteorites moving?

lisov135 [29]

Answer:

Glow

Explanation:

Actually, it is the air in front of the meteoroid that heats up. The particle is traveling at speeds between 20 and 30 kilometers per second. It compresses the air in front, causing the air to get hot. The air is so hot it begins to glow — creating a meteor - the streak of light observed from Earth.

Hope this helped!

7 0

3 years ago