PLEASE HELP WILL MEDAL !!!

Physics

2 answers:

vekshin12 years ago

7 0

Gas form is the answer

Tema [17]2 years ago

5 0

Water is vapor in gas. Solid - snow liquid - warer

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Two objects of different masses are sitting on different balance scales. Object A has a greater mass than object B. How will the

kodGreya [7K]

As long as they're both on the same planet, the greater mass always has the greater weight. In this question, Object-A has the greater mass, so it weighs more that Object-B does.

5 0

2 years ago

A 50.0 kg woman climbs a flight of stairs 6.00 m high in 15.0 s. How much power does she use.

WITCHER [35]

Her weight = (mass) · (gravity) = (50kg) · (9.8 m/s²)

Work = (weight) · (height) = (50kg) · (9.8 m/s²) · (6 m)

Power = (work) / (time) = (50kg) · (9.8 m/s²) · (6 m) / (15 s)

Power = (50 · 9.8 · 6 / 15) · (kg · m² / s³)

Power = 196 (kg · m / s²) · (m) / s

Power = 196 Newton-meter/second

<em>Power = 196 watts</em>

6 0

3 years ago

Which factors affect the resistance of a material? Check all that apply.

shutvik [7]

Answer: Length, thickness, and temperature

Explanation:

I did it

6 0

2 years ago

Unpolarized light with intensity I0I0I_0 is incident on an ideal polarizing filter. The emerging light strikes a second ideal po

zvonat [6]

Answer:

$0.293I_0$

Explanation:

When the unpolarized light passes through the first polarizer, only the component of the light parallel to the axis of the polarizer passes through.

Therefore, after the first polarizer, the intensity of light passing through it is halved, so the intensity after the first polarizer is:

$I_1=\frac{I_0}{2}$

Then, the light passes through the second polarizer. In this case, the intensity of the light passing through the 2nd polarizer is given by Malus' law:

$I_2=I_1 cos^2 \theta$