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4 years ago

11

Which statement is true about an object that sinks in water?

1 answer:

bogdanovich [222]4 years ago

7 0

It is about density. The less dense object will tend to float when put into the water. For example, oil is denser than water so the result of the mixture would make oil float. Sinking objects would only mean that it has an equal or greater mass than water.

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Convert -90.0°F to -5.0°c to kelvin

Ratling [72]

-90.0 °F = -67 and 7/9 °C

-90.0 °F also = +205.372 K

-5.0 °C = +23 °F

-5.0 °C also = +268.15 K

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4 years ago

As light travels from air to water to glass, it will refract. The best explanation for this would be

Lelu [443]

D) The speed of a wave slows as it travels at different speed in different media.

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3 years ago

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A treasure chest full of silver and gold coins is being lifted from a pirate ship to the shore using two ropes as shown in the f

Lyrx [107]

The tension in rope C is determined as 122.23 N.

<h3>Tension in rope C</h3>

The tension in rope C is calculated as follows;

B² = A² + C²

C² = B² - A²

where;

C is tension in rope C
A is tension in rope A
B is tension in rope B

C² = (752²) - (742²)

C² = 14,940

C = √14,940

C = 122.23 N

Thus, the tension in rope C is determined as 122.23 N.

Learn more about tension here: brainly.com/question/24994188

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8 0

2 years ago

3. If a certain quantity of gas has a volume of 30 cm3 at a pressure of 1 × 105 Pa, what is its volume when the pressure is

arlik [135]

We know that:

$P_{1}V_{1}= P_{2}V_{2}$ .......(1)

Given at $P_{1}=30cm^3$ , $V_{1}=10^5Pa$

a)

When $P_{2}=2*10^5Pa$ , $V_2=$ ?

Using equation (1)

$30*10^5=2*10^5*V_2$

$V_2=30/2=15cm^3$

b)

When $P_2=5*10^5Pa$ , $V_2=?$

using equation (1)

$30*10^5=5*10^5*V_2$

$V_2=30/5=6cm^3$

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3 years ago

I’m stuck in B and D. which one is it?

tatuchka [14]

It is b! the lithosphere is the crust and upper mantle

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3 years ago

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