3 years ago

Which characteristic surface of the moon contains the same rock as the ocean floor

Physics

1 answer:

Ratling [72]3 years ago

3 0

The answer is Maria or Lunar mare because they are both made of basalt. Hope this helps.

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uysha [10]

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Given two vectors A=4i^+3j^ and vector B=5i^-2j^.find the magnitude of each vector

Flura [38]

Answer:

Magnitude of A=5

Magnitude of B=5.39

Explanation:

The magnitude of Vectors in Rectangular Form

Given a vector v in its rectangular form:

$\mathbf{v}=x\hat i+y\hat j$

The magnitude of v is:

$\mid\mid\mathbf{v}\mid \mid=\sqrt{x^2+y^2}$

We are given the vectors

$\mathbf{A}=4\hat i+3\hat j$

$\mathbf{B}=5\hat i-2\hat j$

Their magnitudes are:

$\mid\mid\mathbf{A}\mid \mid=\sqrt{4^2+3^2}=\sqrt{16+9}=\sqrt{25}$

$\mid\mid\mathbf{A}\mid \mid=5$

$\mid\mid\mathbf{B}\mid \mid=\sqrt{5^2+(-2)^2}=\sqrt{25+4}=\sqrt{29}$

$\mid\mid\mathbf{B}\mid \mid=\sqrt{29}=5.39$

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3 years ago

50 J of work was done in order to move a chair 5 meters. what was the force applied to the chair

kolezko [41]

Using the Definition of Work, we have:

$T=F\DeltaS \\ 50=5F \\ \boxed {F=10N}$

If you notice any mistake in my english, please let me know, because i am not native.

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Solve the given parallel circuit by computing the desired quantities.

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Hope this provides some answers

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