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marusya05 [52]
4 years ago
10

When using a microscope, what position should the stage be in when you first start focusing on your specimen?

Physics
1 answer:
Alexandra [31]4 years ago
4 0

The stage should be as high as possible before you crouch
down and look through the microscope, and you should start
focusing by moving the stage down.

If you did it the other way, and started out moving the stage UP,
then you would run the risk of going too far without noticing it,
and smooshing the slimy bacteria all over the objective lens. 
Then nobody could use that microscope until it came back from
the lens-cleaning shop, and what is worse, you might even have to
pay for the cleaning.

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The volume of a gas depends upon its mass true or false
Kruka [31]
I would say false because the volume of gas depends on several things the amount of matter in the volume , the pressure and the temperature. So the answer would be false in my opinion. Because mass is not the only factor
4 0
3 years ago
A
OleMash [197]

Answer:

R= 5.4 ohms

Explanation:

Given that

V= 9 V

Power ,P= 15 W

Lets take resistor resistance = R

We know that Power given as

P=\dfrac{V^2}{R}

V=Voltage

P=Power

R=Resistance

R=\dfrac{V^2}{P}

Now by putting the all the values in the above equation

R=\dfrac{9^2}{15}

R= 5.4 ohms

Therefore the resistance of the resister will be 5.4 ohms.

7 0
3 years ago
A small block slides down an incline with a constant acceleration. The block is released from rest at the top of the incline. Af
zloy xaker [14]

Answer:

v = 3.24 m/s

Explanation:

Since we don't have time, we can use the formula;

(Final distance - initial distance)/time = (initial velocity + final velocity)/2

Thus;

(x_f - x_i)/t = ½(v_xi + v_xf)

We are given;

x_i = 0 m

x_f = 5 m

v_xi = 0 m/s

v_xf = 5 m/s

Thus, plugging in the relevant values;

(5 - 0)/t = (0 + 5)/2

5/t = 5/2

t = 2 s

Using Newton's first law of motion, we can find the acceleration.

v = u + at

Applying to this question;

5 = 0 + a(2)

5 = 2a

a = 5/2

a = 2.5 m/s²

To get the speed, in m/s, of the block when it had traveled only 2.1 m from the top, we will use the formula;

v² = u² + 2as

v² = 0² + 2(2.5 × 2.1)

v² = 10.5

v = √10.5

v = 3.24 m/s

3 0
4 years ago
Please help
vladimir2022 [97]

Answer:

true true false true false

5 0
2 years ago
Read 2 more answers
Cuando es más confiable el valor central de una medición
Olin [163]

Answer:

La media es la medida de tendencia central más utilizada y, en general, se considera la mejor medida de la misma. Sin embargo, hay algunas situaciones en las que se prefiere la mediana o la moda.

La mediana es la medida preferida de tendencia central cuando:

Hay algunas puntuaciones extremas en la distribución de los datos.

Explanation:

Espero que esto ayude a marcar el MÁS CEREBRAL !!!

5 0
3 years ago
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