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Anna11 [10]
3 years ago
11

You want to place a mirror at a blind turn on the staircase in your house. Which would be best suited for this purpose?

Physics
2 answers:
Vlad [161]3 years ago
7 0
Hello there,

I think "<span>convex mirror" would be your answer!</span>
Elan Coil [88]3 years ago
4 0
Your answer is "convex mirror"

Hope this helps!
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A student wants to create a 6.0V DC battery from a 1.5V DC battery. Can this be done using a transformer alone
shusha [124]

Answer:

Therefore, we need an invert, and a rectifier, along with the transformer to do the job.

Explanation:

A transformer, alone, can not be used to convert a DC voltage to another DC voltage. If we apply a DC voltage to the primary coil of the transformer, it will act as short circuit due to low resistance. It will cause overflow of current through winding, resulting in overheating pf the transformer.

Hence, the transformer only take AC voltage as an input, and converts it to another AC voltage. So, the output voltage of a transformer is also AC voltage.

So, in order to convert a 6 V DC to 1.5 V DC we need an inverter to convert 6 V DC to AC, then a step down transformer to convert it to 1.5 V AC, and finally a rectifier to convert 1.5 V AC to 1.5 V DC.

<u>Therefore, we need an invert, and a rectifier, along with the transformer to do the job.</u>

8 0
3 years ago
Which letter represents the location of the<br> resister in this diagram?<br> A<br> B<br> C<br> D
ololo11 [35]

Answer:

The letter B is the letter that represents the location of the resister in the diagram.

Explanation:

I hope it helped!Please mark brainliest and have a wonderful night! and day!!!!

5 0
3 years ago
Read 2 more answers
A pneumatic system consists of several identical 1.5 inch diameter cylinders to lift 450-pound pallets in a warehouse. the gauge
DerKrebs [107]
The applicable equation:

P = F/A

P = pressure
F = Force or weight
A = surface area

Pressure on each cylinder = (W/n)/A
Where n = number of cylinders. Additionally, pressure in the reservoir is equivalent to the pressure in each cylinder.
Net pressure =  75 - 14.7 = 60.3 psi

Therefore,
60.3 = (W/n)/A = (450/n)/(πD^2/4) = (450/n)/(π*1.5^2/4) = (450/n)/(1.7671)
60.3*1.7671 = 450/n
106.03 = 450/n
n = 450/106.3 = 4.244 ≈ 5

The number of cylinders is 5.
3 0
3 years ago
The electric eye that prevents an elevator door from closing when you are in the doorway relies upon which physics principle?
goblinko [34]
It's Photoelectric Effect, I just a test with this same question. I am not good for explaining exactly how, but I was right.
3 0
3 years ago
Read 2 more answers
A 8 g object displaces 50ml of water, what is its specific gravity?
Igoryamba

Answer:

8.3

Explanation:

thats what i think sorry if its wrong im ok at doing this stuff

4 0
2 years ago
Read 2 more answers
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