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valkas [14]
3 years ago
9

When energy changes form, energy is...A) lost.B) created.C) not lost or created.

Physics
2 answers:
kodGreya [7K]3 years ago
7 0
..................Is c
devlian [24]3 years ago
6 0

Answer:

C

Explanation:

Energy is neither created or destroyed, but it can change forms...

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What is Acceleration?​
earnstyle [38]

Acceleration is the rate of change of velocity

 

To define acceleration, We need to know more about motion.

Motion: This can be defined as the change in position of a body from one point to another. When an object accelerates, it undergoes motion.

<u>Definition</u>

Acceleration can be defined as the rate of change of velocity. The S.I unit of acceleration is meter-per-squared seconds. (m/s²)

The formula of acceleration is

  • a = (v-u)/t................. Equation 1

⇒ Where:

  • a = acceleration
  • u = initial velocity
  • v = final velocity
  • t = time

Hence, Acceleration is the rate of change of velocity

Learn more about acceleration here: brainly.com/question/605631

5 0
2 years ago
Read 2 more answers
: 1 khối khi lý tưởng nhận được nhiệt lượng 200J, khi đó khí nở ra đẩy pittong bằng 1 công 80J.
Ratling [72]

Answer:

DU = 120 Joules

Explanation:

Given the following data;

Quantity of energy = 200 J

Work = 80 J

To find the change in internal energy;

Mathematically, the change in internal energy of a system is given by the formula;

DU = Q - W

Where;

DU is the change in internal energy.

Q is the quantity of energy.

W is the work done.

Substituting into the formula, we have;

DU = 200 - 80

DU = 120 Joules

3 0
3 years ago
An atom of arsenic has how many electron-containing orbitals
irina [24]

Answer:

The Arsenic has three electron-containing orbitals. The orbitals s, p and d.

Explanation:

Arsenic is an element with an atomic number equal of 33, it means that it has 33 electrons in its orbitals in the following way:

1s^{2}

2s^{2}

2p^{6}

3s^{2}

3p^{6}

3d^{10}

4s^{2}

4p^{3}

Therefore, the Arsenic has three electron-containing orbitals (s, p d).

8 0
3 years ago
How much time will it take a car travelling at 88 km/hr (55 mi/hr) to travel 500km
Elis [28]
<span>500 km x (1 hr/88 km) = 5.68 hrs</span>
4 0
3 years ago
Why is a magnet strongest at its poles ??
Softa [21]

Answer:

magnetic fields is stronger at the pulls because opposites attract which is why the pull is stronger.

this was written by me.

Explanation:

8 0
3 years ago
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