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kari74 [83]
3 years ago
14

What are the 3 basic parts of an atom and what are their charges?

Physics
1 answer:
kotegsom [21]3 years ago
7 0

Answer:

electrons neutrons and protons

Explanation:

electron are negative

nuetron are neutral

protons are positive

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An object of mass 300 g, moving with an initial velocity of 5.00i-3.20j m/s, collides with an sticks to an object of mass 400 g,
Alexus [3.1K]

Answer:

Velocity is 2.17 m/s at an angle of 9.03° above X-axis.

Explanation:

Mass of object 1 , m₁ = 300 g = 0.3 kg

Mass of object 2 , m₂ = 400 g = 0.4 kg

Initial velocity of object 1 , v₁ = 5.00i-3.20j m/s

Initial velocity of object 2 , v₂ = 3.00j m/s

Mass of composite = 0.7 kg

We need to find final velocity of composite.

Here momentum is conserved.

Initial momentum = Final momentum

Initial momentum = 0.3 x (5.00i-3.20j) + 0.4 x 3.00j = 1.5 i + 0.24 j kgm/s

Final momentum = 0.7 x v = 0.7v kgm/s

Comparing

1.5 i + 0.24 j = 0.7v

v = 2.14 i + 0.34 j

Magnitude of velocity      

       v=\sqrt{2.14^2+0.34^2}=2.17m/s

Direction,  

       \theta =tan^{-1}\left ( \frac{0.34}{2.14}\right )=9.03^0

Velocity is 2.17 m/s at an angle of 9.03° above X-axis.

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3 years ago
write a one or two summary paragraph discussing this experiment and the results use tye following questions 1 according to your
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Answer:heed

Explanation:

heed knows how to divide.

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2 years ago
Consider a weather balloon floating in the air. There are three forces acting on this balloon: the force of gravity is FG, the f
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URGENT What does Newton's third law say about why momentum is conserved in collisions?
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3 years ago
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You pull a rope to the left with 300 N and a friend pulls the rope to the right with 425 N
eimsori [14]
I’m assuming you’re supposed to calculate the resultant force?

425N (right) -300N (left)
=125 N to the right
6 0
3 years ago
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