3 years ago

Plz help brainliest plzzzzzzzzzzzzzzzzz!!!!!!!!!!!!!!

1 answer:

8 0

Answer:

Explanation:

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Temka [501]

Sodium Chloride could be classified as a salt.

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3 years ago

Natasha_Volkova [10]

No not all, because not all electrical field attract and repel

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3 years ago

-BARSIC- [3]

I think one hour, sorry if i'm wrong

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3 years ago

Leviafan [203]

Answer:

The value is $a = -3.7 \ m/s^2$

Explanation:

From the question we are told that

The landing speed is $u = 71.9 \ m/s$

The distance traveled is $d = 675 \ m$

The velocity it is reduced to is $v = 11.3 \ m/s$

Generally the average acceleration is mathematically represented as

$a = \frac{ v^2 - u^2 }{ 2 * d }$

=> $a = \frac{ 11.3^2 - 71.9^2 }{ 2 * 675 }$

=> $a = -3.7 \ m/s^2$

5 0

3 years ago

MissTica

Answer:

Explanation:

The direction where air resistance act will always be opposite to where the object is going.

Since the object is going down, the air resistance would go up.

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3 years ago