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Arturiano [62]
3 years ago
13

According to the first law of thermodynamics, what could happen when heat is added to a system?

Physics
2 answers:
Burka [1]3 years ago
8 0
B, since B claims that the heat is transferred, while A and D have energy decreasing or being destroyed and C has energy being created. First law of thermodynamics in layman terms: Energy can neither be created nor destroyed
DedPeter [7]3 years ago
8 0

Answer:

B

Explanation:

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20points, ill give brainliest. Its important pls
lozanna [386]
1.022 km/s
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2 years ago
BRAINLIEST AND 5 STARS. HELP ASAP.
liberstina [14]
Wavelength = wavespeed / frequency

0.5 meter = speed / 200 Hz
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Solved
4 0
3 years ago
When planning an experiment, a scientist must first choose a question to investigate. In an experiment, Renata changes the relea
dangina [55]

Answer:

The correct option is D

Explanation:

In the course of the experiment, two key phrases/variables defined the experiment done,

i) the release height of the steel ball (independent variable)

ii) the distance the ball travels from the ramp before falling to the ground (dependent variable)

The only option that contains and relates this two variables as carried out during the course of the experiment is option D.

6 0
3 years ago
Two colorless solutions are mixed together in a test tube. A student observes that a bright yellow solid collects at the bottom
Alchen [17]

Answer:

It is a chemical reaction , a chemical change.

The colourless solutions can beKIand Pb(NO_3)_2.

When they are mixed , displacement reactiom takes place and Lead iodide is formed which is yellow in colour

3 0
3 years ago
Read 2 more answers
A coin with a diameter of 2.40 cm is dropped on edge onto a horizontal surface. The coin starts out with an initial angular spee
posledela

Answer:

The coin comes to rest after covering 1.023 m.

Explanation:

initial angular speed, wo = 18 rad/s

final angular speed, w = 0 rad/s

angular acceleration, = 1.9 rad/s2

radius, r = 1.2 cm =  0.012 m

initial linear velocity, u = r wo = 0.012 x 18 = 0.216 m/s

final linear speed, v = r w = 0.012 x 0 = 0 m/s

linear acceleration, a = r x angular acceleration = 0.012 x 1.9 = 0.0228 m/s2

let the distance traveled is s.

Use third equation of motion

v^{2} = u^{2} + 2 a s\\0 = 0.216^{2} - 2 \times 0.0228\times s\\s = 1.023 m

4 0
3 years ago
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