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oksano4ka [1.4K]
3 years ago
5

HELP!!

Physics
2 answers:
Diano4ka-milaya [45]3 years ago
6 0
The question in choice-C is the correct answer to your question.

(Is this confusing ?)
nalin [4]3 years ago
3 0
I believe they should ask if a hydroelectric power plant emits lower CO2 than the thermal power plant. CO2 is one of the elements that causes global warming. Other choices such as asking for its costs or expensiveness and the number employees is not the major concern in global awareness.
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Your house is 45.0 m from a powerline carrying 152 A of current. How much magnetic field does the current create at your house?
Sedaia [141]

This question involves the concepts of th magnetic field and current.

The magnetic field created by the current at the house is "6.75 x 10⁻⁷ T".

<h3>Magnetic Field</h3>

The magnetic field created by a current carrying wire can be given by the following formula:

B=\frac{\mu_o I}{2\pi r}

where,

  • B = magnetic field = ?
  • \mu_o= permeabiliy of free space =4π x 10⁻⁷
  • I = current = 152 A
  • r = distance = 45 m

B=\frac{4\pi x\ 10^{-7}(152)}{2\pi(45)}

B = 6.75 x 10⁻⁷ T

Learn more about magnetic field here:

brainly.com/question/23096032

#SPJ1

7 0
2 years ago
Why is it important that radioisotopes used in diagnostic tests have short half-lives? 20 A) These radioisotopes have a greater
LiRa [457]

Answer:

Option B) This minimizes the harmful side effects of the radiations

Explanation:

Half-life is the time taken for the decay of an radio-active atom in which it disintegrates such that it becomes half of its value at the beginning.... The nuclei should be in active mode for a longer duration sufficient for the treatment of the condition but these nuclei should have a sufficient  shorter half life so that they don't get enough time to cause any  damage to the health of the person other than treating the cause.

A shorter half life gives the assurance that the radiation after the treatment will leave the body without getting accumulated and cause harm to the body cells and other organs.

8 0
3 years ago
Which statement correctly describes the motion of water particles due to the action of waves?
tensa zangetsu [6.8K]

Answer:

C True.  they rise and fall in a circular motion

Explanation:

The movement of water waves in the sea is described by a simple harmonic movement where the water droplets, which are the material particles of the movement oscillate up and down and the wave that is the energy of the movement travels perpendicular to it.

With this let's review the claims

A False

B False

C True.

D False

4 0
3 years ago
Which pair of scientists should Elizabeth write instead of X
ASHA 777 [7]

Answer:

O Hooke and Leeuwenhoek

Explanation:

O Hooke and Leeuwenhoek discovered the existence of micro organisms between 1665 and 1683

5 0
3 years ago
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How old can a goldfish live
zzz [600]
43 years old is the life expectancy
6 0
3 years ago
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