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3 years ago

Which is an example of an electric force that occurs in atoms?

1 answer:

4 0

The electric charge or electric force that exists inside of an atom occurs as a result of the protons and electrons that exist within the atom. Protons have a positive charge and electrons have a negative charge. These electrons and protons exert a force on any other particle with a charge creating electric force within the atom.

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A rocket accelerates upward from rest at a rate of 5 m/s^2. At a height of 1000m, the engines burn out and it coasts the rest of

laila [671]

Answer:

Explanation:

Given

acceleration of rocket(a) $=5 m/s^2$

At h=1000 m rocket burn out

$v^2-u^2=2as$

$v^2-0=2\times 5\times 1000$

$v=\sqrt{10^4}=100 m/s$

(b) time to reach v=100 m/s

v=u+at

$100=0+5\times t$

$t=\frac{100}{5}=20 s$

(c)Rocket maximum altitude

$v^2-u^2=2as$

here u=100 m/s

v=0

$a=9.8 m/s^2$

$s=\frac{v^2}{2g}$

$s=\frac{100^2}{2\times 9.8}$

[tex]s=510.204

Therefore maximum altitude=510.204+1000=1510.204 m

7 0

3 years ago

Physics Conversion help!!

stiv31 [10]

[Assuming that you've written 3.40 kg in 'a', and not 3.90 kg]

(a) 3,400 g x 0.001 = 3.40 kg [converting grams to kilograms]

(b) 220 cm x 0.01 = 2.2 m [converting centimeters to meters]

(d) 6.53 m x 100 = 653 cm [converting meters to centimeters]

5 0

4 years ago

What's Alpha beta gamma emission??

valentina_108 [34]

Alpha radiation is the name for the emission of an alpha particle in fact an helium nuclei, beta radiation is the emission of electrons or positrons , and gamma radiation is the term used for the emission of energetic photons.

5 0

3 years ago

During the ________ in richmond, the angle of the sun at noon from the vertical is 14 degrees (= richmond's latitude of 37.5 deg

Nutka1998 [239]

The answer is supposed to be during the summer in Richmond, the angle of the sun at noon from the vertical is 14 degrees which is equal to Richmond's latitude of 37.5 degrees minus Earth's slope of 23.5 degrees. While in the winter, the angle of the sun at noon from the vertical is 61 degrees.

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4 years ago

What is the ability of the body to function successfully and efficiently during

Sergio039 [100]

Answer is Physical Fitness.

3 0

3 years ago