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Sedaia [141]
3 years ago
7

What Science is/is not and How Physics and Chemistry are Connected

Physics
1 answer:
KengaRu [80]3 years ago
8 0
Earth is Bc it talkads about planter
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Define quant......am physics​
Bas_tet [7]

Answer:

<h2><u>✍</u><u> </u><u>What is quantum physics?</u></h2>

  • ➳ It's the physics that explains how everything works; the best description we have of the nature of the particles that make up matter and the forces with which they interact.
  • Quantum physics underlies how atoms work, and so why chemistry and biology work as they do.
7 0
2 years ago
Read 2 more answers
3. A cat walks 0.220km North, then 0. 120 km South in a time of 400 seconds. whats the displacement and average velocity?
Andru [333]

Answer:

The rate at which velocity changes with respect to a change in time is called. acceleration.

Explanation:

4 0
3 years ago
Two resistors with values of 6.0 ohms and 12 ohms are connected in parallel. This combination is connected in series with a 2.0
ivanzaharov [21]

Answer:

4A

Explanation:

According to ohm's law;

E = IRt where;

E is the source voltage = 24volts

I is the total current flowing in the circuit = ?

Rt is the total effective resistance in the circuit.

To find Rt, we will resolve the resistors in parallel first.

Since 6ohms and 12ohms resistors are in parallel, their effective resistance will give;

1/R = 1/6+1/12

1/R= 2+1/12

1/R = 3/12

3R = 12

R = 4ohms.

This resistor will now be in series with the 2.0ohms resistor to finally have;

Rt = 4+2

Rt = 6ohms

From the ohms law formula;

I = E/Rt

I = 24/6

I = 4Amperes

The total current in the circuit is 4A

This same currents will flow in the 2ohms resistor since same current flows in a series connected resistors.

3 0
3 years ago
Read 2 more answers
Melting, freezing, and boiling are______ changes
avanturin [10]
Melting, boiling, and freezing are state changes!
Hope this helps! Any questions please just ask! Thank you so much!
6 0
3 years ago
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A car accelerates along a straight road from rest to 90 km/h in 5.0 s. A) Find the magnitude of its average acceleration. B) Fin
egoroff_w [7]

Answer:

a)   A=5m/s^2

b)   V=25m/s

Explanation:

From the question we are told that:

Velocity v=90km/h=25m/s

Time t=5.0s

a)

Generally From Newton's motion equation for Average acceleration is   mathematically given by

  A=\frac{V-U}{t}

Since its from Rest Therefore

  U=0

 A=\frac{25m/s-0}{5s}

 A=5m/s^2

b)

Generally the equation for Average Velocity is mathematically given by

  V=u+at

 AT t=1.0s\\\\V=0+5(1)

 V=5m/s

 AT t=2.0s\\\\V=0+5(2)

 V=10m/s

 AT t=5.0s\\\\V=0+5(5)

 V=25m/s

 

6 0
2 years ago
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