1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
jonny [76]
3 years ago
9

1. As described by the first law of thermodynamics, the change in internal energy of a system is equal to _____.

Physics
2 answers:
Olegator [25]3 years ago
4 0

the first one is d

the second is c

slava [35]3 years ago
3 0
The first one is D
the second one is C
You might be interested in
What would be the mass of a sample containing 0.7 mol of pure tungsten?. . 0.04 g. . 51.8 g. . 128.7 g. . 262.6 g.
mojhsa [17]
There are several information's of immense importance already given in the question. The answer to the question can be easily determined using those available information's. 

Mr of pure tungsten = 183.84
Mass of tungsten = Mole * Mr
                             = 0.7 * 183.84
                             = 128.7 gm
From the above deduction, it can be concluded that the correct option among all the options that are given in the question is the third option or the penultimate option.
4 0
3 years ago
Read 2 more answers
In the circuit diagram, what does the symbol made of two Long lines and two short lines with a positive and a negative sign at e
Licemer1 [7]
That symbol represents a source of DC, usually a battery.

The zig-zag line represents a resistor, and the two little circles
connected by a short line represent a switch in the closed position.,
8 0
3 years ago
It velocity of light scalar or vector equality ​
suter [353]

Answer:

velocity is a vector quantity

Explanation:

velocity is a vector quantity because it has a mass and a direction

4 0
3 years ago
How does the height of the cliff impact the acceleration (velocity/time) of a cliff diver?
Verizon [17]

Answer:

Higher cliffs don't accelerate your fall  acceleration is constant during free fall. The pull of gravity decreases infinitesimally at higher elevations, but it pulls you with an equal force from the first second of you jump off until you decelerate when you fall hit the water. hope this helped

6 0
3 years ago
Read 2 more answers
By using fossils and matching layers rock layers can be correlated to eachother.
bija089 [108]
I think that the answer to that is true hope that helps
4 0
4 years ago
Read 2 more answers
Other questions:
  • Whta is the mechanical advantage when the effort force is 20 and the resistance force is 5
    14·1 answer
  • A cannon is rigidly attached to a carriage, which can move along horizontal rails but is connected to a post by a large spring,
    5·1 answer
  • From the mass spectrum of the compound, the molecule was determined to have a molar mass of 907 g/mol. what is its molecular for
    13·1 answer
  • Find h , the maximum height attained by the projectile. express the maximum height in terms of v 0 , θ , and g .
    11·1 answer
  • What types of ions will sodium and chlorine each form? Explain
    5·1 answer
  • A pilot flies in a straight path for 1 hour 30 minutes. She then makes a course correction, heading 45 degrees to the right of h
    15·1 answer
  • Vesna Vulovic survived the longest fall on record without a parachute when her plane exploded and she fell 6 miles, 551 yards. W
    12·1 answer
  • If the frequency of a wave that is traveling through a medium is doubled, the _
    5·1 answer
  • Please help me. Please help me. ​
    5·1 answer
  • The frequency of a wavelength ?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!