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zavuch27 [327]
3 years ago
12

In general relativity, gravitational red shift is caused by

Physics
1 answer:
kvasek [131]3 years ago
7 0
Option D would be the correct one!
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Calculate the total energy transferred when 200 g of ice cubes at 0°C are changed to steam at 100°C.
uranmaximum [27]

Answer:

604000\ \text{J}

Explanation:

m = Mass of ice = 200 g

\Delta T = Temperature change of water = (100-0)^{\circ}\text{C}

c = Specific heat capacity of water = 4200 J/kg °C

L_f = Specific latent heat of fusion = 340 kJ/kg

L_v = Specific latent heat of vaporisation = 2260 kJ/kg

Heat required to convert ice to water = mL_f

Heat required to raise the temperature of water to boiling point = mc\Delta T

Heat required to convert water to steam = mL_v

Total heat required

q=mL_f+mc\Delta T+mL_v\\\Rightarrow q=m(L_f+c\Delta T+L_v)\\\Rightarrow q=0.2(340\times 10^3+4200(100-0)+2260\times 10^3)\\\Rightarrow q=604000\ \text{J}

Heat required to convert the given amount of ice to steam at the required temperature is 604000\ \text{J}.

7 0
3 years ago
Question 6
Lana71 [14]

Answer:

<h3>The answer is 5 g/mL</h3>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question

mass = 150 g

volume = 30 mL

We have

density =  \frac{150}{30}  \\

We have the final answer as

<h3>5 g/mL</h3>

Hope this helps you

6 0
4 years ago
4. Windmill is the way women pitch for softball - T or F
Sedaia [141]
5 the field is to long
7 0
3 years ago
Acceleration is calculated by taking the change in velocity and dividing by the time. What is the
netineya [11]

Answer:

m/s/s

Explanation:

Acceleration is change in velocity over time.

a = Δv / t

a = [m/s] / [s]

a = [m/s/s]

4 0
3 years ago
Ganda wow innova jhbjguyhyujj​
vivado [14]

Answer:

what is your question?..... .

8 0
3 years ago
Read 2 more answers
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