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andrew-mc [135]
2 years ago
14

Check out this app! It’s millions of students helping each other get through their schoolwork. https://brainly.app.link/qpzV02Ma

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Physics
2 answers:
Veronika [31]2 years ago
7 0
Why did you send a link to this app lol?
gayaneshka [121]2 years ago
3 0

Answer: kay.

Explanation:

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Vector A has a magnitude of 30 units. Vector B is perpendicular to vector Aand has a magnitude of 40 units. What would the magni
Fudgin [204]

Answer:

|\vec A + \vec B| = 50 units

Explanation:

As we know that magnitude of two vectors is given as

|\vec A + \vec B| = \sqrt{A^2 + B^2 + 2AB cos\theta}

here we know that

A = magnitude of vector A

B = magnitude of vector B

\theta = angle between two vectors

so here we know that

A = 30 units

B = 40 units

angle = 90 degree

so we have

|\vec A + \vec B| = \sqrt{30^2 + 40^2 + 2(30)(40)cos90}

|\vec A + \vec B| = \sqrt{30^2 + 40^2}

|\vec A + \vec B| = 50 units

3 0
3 years ago
The location where an earthquake begins
Ivahew [28]

Answer:

b

Explanation:

the location where an earthquake begin is called

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3 years ago
A geologist is comparing the properties of different minerals. He rubs each one on a piece of white tile and observes the color
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He performed a streak test, in which a piece of the mineral is rubbed across a piece of unglazed porcelain in order to determine the color of the mineral in powdered form.

4 0
3 years ago
A heavy ball with a weight of 150 N is hung from the ceiling of a lecture hall on a 4.1-m-long rope. The ball is pulled to one s
AlladinOne [14]

Answer:

The tension in the rope is 262.88 N

Explanation:

Given:

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Initial speed of ball v = 5.5 \frac{m}{s}

For finding the tension in the rope,

First find the mass of rod,

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  m = \frac{150}{9.8}

  m = 15.3 kg

Tension in the rope is,

  T = mg + \frac{mv^{2} }{r}

  T = 150 + \frac{15.3 \times (5.5)^{2} }{4.1}

  T = 262.88 N

Therefore, the tension in the rope is 262.88 N

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3 years ago
If the moon phase is seen as a waxing crescent moon in london, what phase of the moon would be seen in new york if it's viewed a
Murljashka [212]
Lunar phase is the same wherever on Earth you observe 
<span>Last (third) quarter rises at midnight, sets at noon. </span>
<span>First quarter rises at noon, sets at midnight</span>
4 0
3 years ago
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