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Snowcat [4.5K]
3 years ago
14

In the heat equation what does Q represent

Physics
2 answers:
Burka [1]3 years ago
6 0
Q stands for heat energy (Joules) hope this helps!
svlad2 [7]3 years ago
3 0

A. heat required to raise the temperature

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A vw bug is driving north on a straight two lane road at a constant 54 mph and chevy impala south at 47 on the same road (but di
mario62 [17]

Velocity of vw bug is given as

v_1 = 54 mpH towards north

velocity of imphala is given as

v_2 = 47 mph towards south

now we need to find velocity of imphala relative to bug

v_{21} = v_2 - v_1

v_{21} = 47 - (-54) = 101 mpH

so the speed is 101 mpH towards south so correct option is C

5 0
3 years ago
93 cm3 liquid has a mass of 77 g. When calculating its density what is the appropriate number of significant figures
lubasha [3.4K]

Answer:

828 kg/m³ or 0.828 g/cm³

Explanation:

Applying,

D = m/V............. Equation 1

Where D = density of the liquid, m = mass of the liquid, V = volume of the liquid.

From the question,

Given: m = 77 g , V = 93 cm³

Substitute these values into equation 1

D = 77/93

D = 0.828 g/cm³

Converting to kg/m³

D = 828 kg/m³

6 0
3 years ago
Which is an example of a scientist using a conceptual model to describe a volcano?
Yuri [45]
I would say D would be the answer. but is this even a real like homework question 

8 0
3 years ago
Read 2 more answers
What is a plasma?A.A superheated liquidB.A solid in which the particles vibrate very quicklyC.A gas in which the atoms have star
Mandarinka [93]

plasma is a superheated liquid

So, a would-be the correct option.

5 0
1 year ago
An unknown substance from planet X has a density of 10 g/mL. It occupies a volume of 80 mL. What is the mass of this unknown sub
asambeis [7]

Answer:

800 mL

Explanation:

D*V=M

You pick out the numbers as well as what it is they represent from the word problem/explanation, then from there plug them in to the equations. Once you do that, you get your product and have the answer.

10*80= 800

5 0
3 years ago
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