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3 years ago

As an object sinks in a fluid, the buoyant force ____.

2 answers:

german3 years ago

3 0

I think the correct answer from the choices listed above is option C. As an object sinks in a fluid, the buoyant force increases before it is submerged and as the object is submerged the buoyant force stays the same. This can be explained by Archimedes principle.

nydimaria [60]3 years ago

3 0

As an object sinks in a fluid, the buoyant force decrease.

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Any good and bad insulators of thermal energy, hot or cold, and why?

Free_Kalibri [48]

It really all depends weather the temperature

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4 years ago

Name each planet in the solar system

satela [25.4K]

Mercury is the closest planet to the sun.

Venus is second planet. Venus has no moons.

Earth is the third planet. This is the only planet that is known to inhabit life.

Mars is the fourth planet. Mars is called the "red planet" and has two moons.

Jupiter is the fifth planet in our solar system. Jupiter is the biggest planet in our solar system.

Saturn is the sixth planet. It has 31 moons.

Uranus is the seventh planet. It is a greenish-blue planet.

Neptune is the eight planet. On Neptune, temperatures stay colder than -350 Fahrenhiet.

Pluto is no longer a planet, but if you weighed 100 pounds on Earth, then you would weight 7-8 pounds on Pluto. But your mass would be the same.

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4 years ago

Three charged particles are positioned in the xy plane: a 50-nC charge at y = 6 m on the y axis, a –80-nC charge at x = –4 m on

leva [86]

Answer:48 V

Explanation:

Given

Three charged particle with charge

$q_1=50\ nC at y=6\ m$

$q_2=-80\ nC at x=-4\ m$

$q_3=70\ nC at y=-6\ m$

Electric Potential is given by

$V=\frac{kQ}{r}$

Distance of $q_1$ from $x=8\ m$

$d_1=\sqrt{6^2+8^2}$

$d_1=\sqrt{36+64}$

$d_1=10\ m$

similarly $d_2=8-(-4)$

$d_2=12\ m$

$d_3=\sqrt{(-6)^2+8^2}$

$d_3=\sqrt{36+64}$

$d_3=10\ m$

Potential at $x=8\ m$ is

$V_{net}=\frac{kq_1}{d_1}+\frac{kq_2}{d_2}+\frac{kq_3}{d_3}$

$V_{net}=k[\frac{q_1}{d_1}+\frac{q_2}{d_2}+\frac{q_3}{d_3}]$

$V_{net}=9\times 10^9[\frac{50}{10}-\frac{80}{12}+\frac{70}{10}]\times 10^{-9}$

$V_{net}=9\times 5.33$

$V_{net}=47.97\approx 48\ V$

5 0

3 years ago

A student holds an egg outside of an open window and let's go. The window is 40 meters above the ground and the egg is falling u

melisa1 [442]

The distance traveled by the egg after 2 seconds is 19.6 m.

The given parameters:

Height of the window, h = 40 m

The distance traveled by the egg after 2 seconds is calculated as follows;

$h = v_0_y t + \frac{1}{2} gt^2\\\\$

where;

$v_0_y$ is the initial vertical velocity of the egg = 0
g is acceleration due to gravity = 9.8 m/s²
t is the time of motion, = 2 s

$h = 0 \ + \ \frac{1}{2} \times 9.8 \times (2)^2\\\\h = 19.6 \ m$

Thus, the distance traveled by the egg after 2 seconds is 19.6 m.

Learn more about second equation of motion here: brainly.com/question/7977693

5 0

3 years ago

How does the density of a water in a tank and the density of a water in a glass can be same density since water's density is 1

Vinvika [58]

Just because there is more mass in a certain substance doesn’t mean it’s density will change. In this case, water, will not change density simply because there is more of it. I.e the ocean. The bottom of the ocean may have more pressure to it because of the weight of the water above it but if you were to take a cup of it and take it to the surface it wouldn’t sink.

7 0

3 years ago

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