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vodka [1.7K]
3 years ago
7

Please write in 4-6 sentences

Physics
1 answer:
galben [10]3 years ago
8 0

Answer:

I think Jamal should put the purple car so where point A(s) faces in N and then B faces the back. Or, he can move the green car to where it should be part D(n) faces S and part C faces the back. I think this because if you keep the purple car with N + N facing each other, it won't move the car at all and it would force each other apart. Also, the same thing for the green car, if you keep the green car with S + S facing each other, it won't move the car at all and it would force each other apart.

Explanation:

Hope this helps and brainliest plz?

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A 20 kg crate of books is at rest on a table. what is the normal force on the books?
Umnica [9.8K]

The weight of 20 kg is

                             (mass) x (gravity) =

                                   (20 x 9.8) = 196 newtons, downward.

There must be a force of 196 newtons upward on the mass. 
Otherwise the mass is accelerating either up or down.
 
4 0
3 years ago
At what distance is the electrostatic force between two protons equal to the weight of one?.
erik [133]

0.118 m is the distance between the two protons.

Mass of proton = 1.6726 × 10⁻²⁷ kg

Weight of proton= 1.6726 × 10⁻²⁷ x 9.81 N

                            = 1.6408 × 10⁻²⁶ N

Charge of proton = 1.602 × 10⁻²⁹ C

The force between two protons = kq²/r²     where, K is a proportionality    

                                                            constant, q is a charge of proton and  

                                                         r is the distance between two protons.          

                                                       = 9 × 10⁹ × (1.602×10⁻¹⁹)²/r²      

To calculate distance :

  Weight of proton= Force between protons

 ⇒   1.6408 × 10⁻²⁶ N = 9 × 10⁹ × (1.602×10⁻¹⁹)²/r²

 ⇒    r = 0.118m

Therefore, 0.118 m is the distance between the two protons.

Learn more about electrostatic force here:

brainly.com/question/18108470

#SPJ4

8 0
2 years ago
A gas has a variable volume.<br> True<br> False
nekit [7.7K]

Answer:

True

Explanation:

<em>Gas</em><em> </em><em>always</em><em> </em><em>live </em><em>in </em><em>free</em><em> </em><em>state </em><em>but </em><em>some </em><em>gas </em><em>is </em><em>not </em><em>.</em><em> </em><em>We </em><em>can </em><em>said</em><em> </em><em>that</em><em> </em><em>mostly</em><em> </em><em>gas </em><em>volume</em><em> </em><em>can </em><em>be </em><em>changeable </em><em>during</em><em> </em><em>disturbing</em><em> </em><em>by </em><em>environment </em><em>situation</em><em>.</em>

4 0
2 years ago
PLZ HELP!!!!
irinina [24]
<span>First blank: B) Cutting down trees instead of growing trees
Cutting down trees means less plants that are photosynthesizing and consuming CO2 from the atmosphere.

Second blank: </span><span>D) Using clean energy sources instead of fossil fuels
Clean energy sources have little to no CO2 emissions. On the other hand, fossil fuels, when burned/combusted release large amounts of CO2 into the atmosphere.</span>
4 0
4 years ago
Read 2 more answers
What is (9.8) / (6.75x10-6)
ratelena [41]

sorry, it's B, not a made a mistake in the approximation

3 0
3 years ago
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