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3 years ago

X=Y=MC scourer that would be the answer for you mam or sir

Physics

2 answers:

Alecsey [184]3 years ago

5 0

Me das mas información?

sdas [7]3 years ago

4 0

Answer:

jello

Explanation:

it jiggles

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4. A meter has a resistance of 100 Ω and gives a full scale deflection when it carries a current of 25 μA. (a) What resistor, Rx

frez [133]

Answer:

A=50mΩ

B≅50mΩ

Explanation:

A) To answer this question we have to use the Current Divider Rule. that rule says:

$Ix=.\frac{Req}{Rx} *Itotal$ (1)

Itotal represents the new maximun current, 50mA, Ix is the current going through the 100 ohms resistor, and Req. is the equivalent resitor.

We now have a set of two resistor in parallel, so:

$Req.=\frac{1}{\frac{1}{R1}+\frac{1}{R2} }$ (2)

where R1 is the resitor we have to calculate, and R2 is the 100 ohms resistor (25 uA).

substituting and rearranging (2)

$Req.=\frac{ 100*R1}{R1+100}$ (3)

Now substituting (3) in (1).

$25*10^{-6} =\frac{\frac{ 100*R1}{R1+100}}{100} *50*10^{-3}$

solving this, The value of R1 is: 50mΩ

This value of R1 will guaranty that the ammeter full reflection willl be at 50mA.

Given that R2 (100ohm) it too much bigger than 50mΩ, the equivalent resistor will tend to 50mΩ

If you substitude this values on (2) Req. will be 49.97 mΩ.

7 0

3 years ago

There is an old physics joke involving cows, and you will need to use its punchline to solve this problem

aleksandr82 [10.1K]

Answer:

The angle of deflection will be "1.07 × 10⁻⁷°".

Explanation:

The given values are:

Mass of a cow,

m = 1100 kg

Mass of bob,

mb = 1 kg

The total distance between a cow and bob will be,

d = 2 m

Let,

The tension be "t".

The angle with the verticles be " $\theta$ ".

Now,

Vertically equating forces

⇒ $T\times Cos \theta =mb\times g$ ...(equation 1)

Horizontally equating forces

⇒ $T\times Sin \theta = G\times M\times \frac{mb}{d^2}$ ...(equation 2)

From equation 1 and equation 2, we get

⇒ $tan \thata=\frac{G\times M}{g\times d^2}$

O putting the estimated values, will be

⇒ $\theta = tan(\frac{6.674\times 10^{-11}\times 1100}{9.8\times 2^2} )$

⇒ $\theta = 1.07\times 10^{-7}^{\circ}$

6 0

3 years ago

Water has a density of 2.09 pounds per quart. what is the density in units of grams per milliliter?

Salsk061 [2.6K]

The density in units of grams per milliliter is 1.0026 g/ml.

<h3>What is density?</h3>

Density is the measurement of how tightly a material is packed together.

Density = mass/volume (kg/m³)

Density = 2.09 lb/quart

1 pound = 0.454 kg = 454 g

1 quart = 946.353 ml

Conversion of the weight in lb/ml to grams per milliliter (g/ml)

= 2.09 lb/quart x 454 g/lb x (1 quart / 946.353 ml)

= 1.0026 g/ml

Thus, the density in units of grams per milliliter is 1.0026 g/ml.

Learn more about density here: brainly.com/question/6838128

#SPJ1

5 0

1 year ago

A particle starts at the origin and moves away from it in a straight line. After 1.6 seconds, it is 12.8 meters from the origin.

Digiron [165]

Answer:

Average velocity of the particle is $-2.4 m/s$

Explanation:

Average velocity is defined as the total velocity divided by the total time. It is given by the equation $v_av= \frac{displacement}{(total time taken)}$

In the given problem the particle starts from origin, travels $12.8 m$ and then reverses direction and travels till $-9.23 m$ within a total time of $3.8 seconds.$