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Feliz [49]
3 years ago
11

Which statements are explained by Newton’s law of universal gravitation?

Physics
2 answers:
Nat2105 [25]3 years ago
6 0
B is the correct one ! as the force is inversely proportional to square of the distance !

so answer is B and I suggest you to go for that !
gavmur [86]3 years ago
3 0
The answer would be B!
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Worth 25 points on my exam
I am Lyosha [343]
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  • Final velocity=0m/s(As the car stops)
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  • Distance=s=26m

We need to verify the thrid equation of kinematics here

\\ \tt\longmapsto v^2-u^2=2as

\\ \tt\longmapsto 20^2=2(-8)s

\\ \tt\longmapsto 400=-16s

\\ \tt\longmapsto s=|400/-16|

\\ \tt\longmapsto s=25m

The squirrel has a good luck ,Car gets stopped just 1m away from the squirrel .

7 0
2 years ago
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Consider a horizontal, uniform board of weight 125 N and length 4 m that is supported by vertical chains at each end. A person w
Norma-Jean [14]

Answer:

b. 375 N

Explanation:

System of forces in balance

ΣFy = 0 Equation (1)

Forces acting on the board

T₁: Tension in the  left chain ,  vertical and upward

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W₂ =  500 N : Weight of the  person , vertical and downward

Calculation of the T₁

We apply the Equation (1)

ΣFy = 0  

T₁+T₂-W₁-W₂ = 0

T₁ = -T₂+W₁+W₂

T₁ = -250 N+ 125 N+ 500 N

T₁ = 375 N

5 0
3 years ago
Why would machine-operated stopwatches be used at sports events instead of hand-operated stopwatches?
Pie
Probably to be more accurate. With hand-operated stop watches there is more room for (human) error.
8 0
3 years ago
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Angelina_Jolie [31]

Answer:

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Explanation:

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3 years ago
The ______ and _______ are used to calculate magnitude and direction of a resultant vector.
S_A_V [24]
Here are the correct answers that would complete the given statement above. The vector quantity and the vector arrow are used to calculate magnitude and direction of a resultant vector. Vector quantity has both magnitude and direction, whereas vector arrow represents<span> the magnitude of a quantity and the direction represents the direction of that quantity. </span>Hope this is the answer that you are looking for. 
3 0
2 years ago
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