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Evgesh-ka [11]
2 years ago
5

Which of these is important to gathering and interpreting scientific information?

Physics
2 answers:
Komok [63]2 years ago
4 0

Answer:

Its D

Explanation:

djverab [1.8K]2 years ago
3 0

Answer:

D.) Logic

Explanation:

Definition:

the reasoning conducted or assessed according to strict principles of validity.

Hope this helps you out ; D

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Which process produce x-ray?
vovangra [49]

Answer:

X-rays are commonly produced in X-ray tubes by accelerating electrons through a potential difference (a voltage drop) and directing them onto a target material 

5 0
2 years ago
If you toast a piece of bread then spread butter onto the warm piece of toast, what would be the physical change occurring? What
slamgirl [31]
Wouldn’t it be from a solid to a liquid
8 0
2 years ago
] A new coal-fired 750 MWe power plant with a thermal efficiency of 42% burns 9000 Btu/lb coal, which contains 1.1% sulfur. a. I
Valentin [98]

Answer:

The net emissions rate of sulfur is 1861 lb/hr

Explanation:

Given that:

The power or the power plant = 750 MWe

Since the power plant with a thermal efficiency of 42% (i.e. 0.42) burns 9000 Btu/lb coal, Then the energy released per one lb of the coal can be computed as:

\mathtt{=( 0.42\times 9000\times 1055.06) J}

= 3988126.8  J

= 3.99 MJ

Also, The mass of the burned coal per sec can be calculated by dividing the molecular weight of the power plant by the energy released per one lb.

i.e.

The mass of the coal that is burned per sec =\dfrac{750}{3.99}

The mass of the coal that is burned per sec = 187.97 lb/s

The mass of sulfur burned  = \dfrac{1.1}{100} \times 187.97 \  lb/s

= 2.067 lb/s

To hour; we have:

= 7444 lb/hr

However, If a scrubber with 75% removal efficiency is utilized,

Then; the net emissions rate of sulfur is (1 - 0.75) × 7444 lb/hr

= 0.25 × 7444 lb/hr

= 1861 lb/hr

Hence, the net emissions rate of sulfur is 1861 lb/hr

8 0
2 years ago
A projectile is launched with an initial velocity of 25m/s at 35 degrees above the horizontal. assuming that the projectile retu
Dovator [93]
Speed is the same as the initial: 25m/s.

*if* you need vectors though:

final velocity = (25*cos(35), -25*sin(35) ) m/s


3 0
3 years ago
When must batteries in an emergency locator transmitter (ELT) be replaced or recharged, if re-chargeable?
tatiyna

Answer:

After one half of the battery's useful life.

Explanation:

Batteries of the emergency locator transmitter (ELT) must be replaced or recharged after one half of the battery's useful life because if it is exposed to the high temperature for a long period of time such as the air plane parked in the sun will result in the deterioration of battery which may makes the transmitter out of order before the expiry  date of the battery. So it will be safe to do that after the use of one half of the battery's life.

6 0
2 years ago
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