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valina [46]
3 years ago
13

URGENT QUICK PLEASE ANSWER WITH FULL DETAILS HOW TO SOLVE!!!!! WILL GIVE BRAINLIEST!!!!!!

Physics
1 answer:
e-lub [12.9K]3 years ago
7 0

Answer:

<em>I</em><em> </em><em>hope</em><em> </em><em>this</em><em> </em><em>helps</em><em>. </em>

Explanation:

Vs/Vp = Ns/Np

Vs/9 = 30/300

Vs/9 = 1/10

Vs= 9/10 = 0.9 volts

It is a Step down transformer. This is because the number of turns on the primary coil is greater than that on the secondary coil.

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PLEASE HELP!!! GIVING BRAINLIEST!! ill also answer questions that you have posted if you answer these correctly!!!! (67pts)
laiz [17]

Answer:

a toy car was on the floor in the play room until the child applied force by starting to race with it. it accelerated and proceeded to move at 5m/s east. it came to a stop when the bedpost applied force to it.

7 0
3 years ago
True or false: Decreased output from the vasomotor center allows arterioles and veins to constrict.
wolverine [178]
<h3><u>Answer;</u></h3>

The above statement is False

<h3><u>Explanation;</u></h3>
  • Decreased output from the vasomotor center allows arterioles and veins to dilate.
  • The vasomotor center controls vessel tone or contraction of the smooth muscle in the tunica media.It is responsible for central regulation of cardiac electrical activity, myocardial performance, and peripheral vascular tone.
  • Changes in diameter affect peripheral resistance, pressure, and flow, which in turn affect cardiac output.
3 0
3 years ago
The length and width of a rectangular room are measured to be 3.92 ± 0.0035 m and 3.15 ± 0.0055 m. In this problem you can appro
Pavel [41]

Answer:

A)A=12.2480\ m^2

B)12.2480\pm 0.1029\ m^2

Explanation:

<u>Given:</u>

Length of the room l= 3.92 ± 0.0035

Width of the room w= 3.15 ± 0.0055

A) Let A be the area of the room

A=l\times w\\A=3.92\times3.15\\A=12.2480\ \rm m^2

B)We will calculate uncertainty in each dimension

%uncertainty in length=\dfrac{0.0035}{3.92}\times 100=0.0892\ %

%uncertainty in width =\dfrac{0.0055}{3.15}\times 100=0.0174%

The uncertainty in area will be sum of uncertainty in length and width

%uncertainty in Area=  %uncertainty in length + %uncertainty in width

%uncertainty in Area=0.0892\ % + 0.0174\ %

%uncertainty in Area=0.0106

Uncertainty in Area=0.0106\times 12.2480=0.1029\ \rm m^2

There Area is12.2480 ± 0.1029\ \rm m^2

7 0
3 years ago
Kinetic energy is measured in joules. True or false
Mademuasel [1]

Answer:True

Explanation:

5 0
3 years ago
Read 2 more answers
Yes ples omggggggggg
Alexxx [7]

Answer:

The answer is A.

Explanation:

They both work together to circulate oxygen and blood throughout the body.

3 0
3 years ago
Read 2 more answers
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