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Evgesh-ka [11]
3 years ago
9

A boy starts from point A and moves 5 units toward the east, then turns back and moves 3 units toward the west. What is the disp

lacement in the position of the boy?
Physics
1 answer:
Flura [38]3 years ago
4 0
The displacement of the boy is 2 units
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A ray of light is incident on a body x what is the reftactive index​
evablogger [386]

Answer:

1.63

Explanation:

If you have the following options:

<u>A.  1.63</u>

B.  1.50

C.  1.49

D.  1.33

E.  1.02

6 0
3 years ago
A person pushes two boxes with a horizontal force F of magnitude of 100 N.
Monica [59]

The magnitude of the action–reaction pair between the two boxes (A and B) will be "18.2 N".

According to the question,

Mass of box A,

  • m_A = 9\  kg

Mass of box B,

  • m_B = 2 \ kg

Horizontal force,

  • F_{app} = 100 \ N

From the Newton's law,

→ F_{app} = (\frac{F_{app}}{m_A+m_B} )a

or,

→      a = \frac{F_{app}}{(m_A+m_B)}

Bu substituting the values, we get

→         = \frac{100}{9+2}

→         = \frac{100}{11}

→         9.10 \ m/s^2

We can see that between the two boxes, the action-reaction pair exist.

then,

→ F_{action-reaction} = m_b \ a

→                          =2\times 9.10

→                          = 18.2 \ N (magnitude)

Thus the above solution is appropriate.

 

Learn more about the magnitude here:

brainly.com/question/13545862

7 0
2 years ago
Convert 592 minutes to seconds. using one step conversion.
vovangra [49]

Answer:

35520

Explanation:

592 times 60=35520

8 0
3 years ago
Just need to confirm an answer
Citrus2011 [14]

Answer:

B

Explanation:

Remark

If, when it reaches its maximum height where the PE is the greatest, that the maximum energy is when the ball is first kicked. That would mean its starting energy is 10 Joules.

Formula

KE = 1/2 m v^2

Givens

KE = 10 J

m = 0.2 kg

v = ?

Solution

10 = 1/2 * 0.2 * v^2

10 * 2 = 0.2 * v^2

20 = 0.2 * v^2

20/0.2 = v^2

100 = v^2

v = 10 m/s

5 0
3 years ago
Once an object is in focus at medium power, what is the next step?
posledela
Next object using low power engery motion.it about physics law
3 0
3 years ago
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