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vodomira [7]
3 years ago
12

Determjne the density of liquid whose relative density is 1.25 given that the density is 1000kgm-3​

Physics
1 answer:
nlexa [21]3 years ago
7 0

Explanation:

Relative density=density of liquid÷density of water

1.25=x ÷ 1000

x=1.25 × 1000

x=1250kgm^-3

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Which lists imaging techniques that use wave behaviors in order of increased risk of cancer from least risk to greatest
Cerrena [4.2K]

Imaging techniques that use wave behaviors are -

  • sonography
  • X-ray radiography
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<h3>How can mechanical waves help in the treatment of cancer?</h3>


Ultrasound is used to improve absorption of a radioactive pellet by a tumor. The radioisotope in a radiopharmaceutical releases sound waves into surrounding cells. Beams of X-rays are targeted at a cancerous tumor from outside the body.

<h3>How can mechanical waves help the treatment of cancer?</h3>

HIFU is a cancer treatment that uses high-frequency sound waves. You have HIFU from a machine. The machine gives off the sound waves which deliver a strong beam to a specific part of a cancer. This heats and destroys the cancer cells.

HIFU can treat a single tumour or part of a large tumour. But it is not suitable for people with cancer that has spread to more than one place in their body.

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7 0
2 years ago
Hydrogen bonds are weaker than the bond that holds hydrogen to oxygen in a
gulaghasi [49]

Answer:

Your answer is false

Explanation:

5 0
3 years ago
An object with more inertia is both harder to _____ and to _______ ...?
Aleks [24]
An object with more inertia is both harder to start and to stop. <span>The heavier (or more mass) of the object - harder to start & stop. For instance, a large rock vs. small rock. Large rock harder to get rolling & harder to stop as compared to smaller rocks. Hope this answers the question.</span>
4 0
3 years ago
Is a body which is moving in a negative direction but has a positive acceleration speeding up or slowing down?​
melamori03 [73]

Answer:

An object with negative acceleration could be speeding up, and an object with positive acceleration could be slowing down.

Explanation:

hope this helps

have a great day/night

7 0
3 years ago
Humpback whales sometimes catch fish by swimming rapidly in a circle, blowing a curtain of bubbles that confuses a school of fis
andre [41]

Answer:

1.2 x 10^4 N

Explanation:

The centripetal force of a body moving in a circle is given by:

Centripetal force = \frac{Mv^2}{r}

where M = mass of the object, v = velocity with which the object is moving, and r = radius of the circle.

In this case, M = 25,000 kg, v = 2.0 m/s, and r = 8.2 m. Hence;

Centripetal force generated by the whale = 25,000 x 2^2/8.2

                                            = 12,195.12 N = 1.2 x 10^4 N to two significant digits.

8 0
3 years ago
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