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Anika [276]
2 years ago
9

How much heat (in calories) are needed to raise the temperature of 60 g of water

Physics
1 answer:
laila [671]2 years ago
3 0

Answer:

Well, each ml of water requires one calorie to go up 1 degree Celsius, so this liter of water takes 1000 calories to go up 1 degree Celsius.

Explanation:

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When developing an experimental design, which action could a scientist take to improve the quality of the results?
worty [1.4K]

Answer:

B

Explanation:

This helps improve the quality.

4 0
3 years ago
A 55 year old woman is awakened by an excruciating pain that radiates from her right abdomen to her flank on the same side
Shkiper50 [21]

The 55 year old woman that is awakened by an excruciating pain, radiating from her right abdomen, down to her flank on the same side must be experiencing a serious medical condition. These medical conditions could be urinary tract infection or even dehydration. Discomfort on the abdomen and flank pain could also indicate that she has kidney stones or kidney problem.

6 0
3 years ago
A concrete slab of mass 400 kg accelerates down a concrete slope inclined at 35°. The kinetic between the slab and slope is 0.60
belka [17]

I got you

Explanation:

normal force = 400 g cos 35

friction force up slope = .6 (400 g) cos 35

weight component down slope = 400 g sin 35

400 a = 400 g sin 35 - .6 (400 g cos 35)

a = g (sin 35 - .6 cos 35) = .082 g

I hope this helps you

8 0
2 years ago
A student uses a meter to measure 120 coulombs flowing through a circuit in 60 seconds. what is the current in this circuit?
Keith_Richards [23]

A student uses a meter to measure 120 coulombs flowing through a circuit in 60 seconds. The electric current in this circuit will be  2 A

Current is a flow of electrical charge carriers, usually electrons or electron-deficient atoms. The common symbol for current is the uppercase letter I. The standard unit is the ampere, symbolized by A.

current = charge / time

given

time = 60 seconds

charge = 120 Coulombs

current = Q / T = 120 / 60 = 2 A

To learn more about electric current here

brainly.com/question/12791045

#SPJ4

3 0
2 years ago
Consider the following three statements: For any electromagnetic radiation, the product of the wavelength and the frequency is a
boyakko [2]

Answer:

The correct answer is B. Statements (i) and (ii) are true.

Explanation:

<u>Fisrt statement:</u>

Electromagnetic radiation such as wave, wavelength λ and oscillation frequency ν are related by a constant, the speed of light. The equation is given by:

c= \lambda \nu

So the first statement is true.

<u>Second statement:</u>

c=\lambda \nu\\c= 3.0 A \times 1.0\times 10^{18} Hz\\c= 3.0\times 10^{-10} m  \times 1.0\times 10^{18} s^{-1}\\c=3\times 10^8 \frac{m}{s}

The value of c in the vacuum is 3×10⁸ m/s. Hence, the second statement is true.

<u>Third statement:</u>

The speed of any electromagnetic radiation is constant regardless the type of radiation.

Hence, the third statement is false.

8 0
3 years ago
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