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Lilit [14]
3 years ago
5

The velocity of an object must include these two things ________ and _________

Physics
1 answer:
choli [55]3 years ago
4 0

Answer:

The velocity of an object must include these two things <u>displacement</u> and <u>time</u><u>.</u>

Explanation:

Hope this helps you. Have a nice day^_^

Please mark as brainliest. It helps a lot. :)

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An electron is ejected from the cathode by a photon with an energy slightly greater than the work function of the cathode. How w
Ksivusya [100]

It will be approximately equal.

<h3>How will the final kinetic energy change?</h3>

We can infer that all of the energy in the electron is Potential energy (PE) because the energy provided by the photon is hardly enough to outweigh the work function.

It will gain kinetic energy (KE) as it advances in the direction of the anode because it is moving through an electric field. All of the PE will have been transformed to KE by the time it reaches the anode.

According to the question

K = hf - W

W = Work function

The energy of photons is comparable. After conversion, there was only a little amount of KE remaining.

Therefore, PE (W) essentially equals KE (K).

It will about be equal.

Learn more about work function here:

brainly.com/question/19595244

#SPJ4

3 0
2 years ago
What are the different intensity of an earthquake
Masja [62]

Ranking Earthquake Intensity

Magnitude Average number per year Modified Mercalli Intensity

2.0 – 2.9 >1 million I

3.0 – 3.9 about 100,000 II – III

4.0 – 4.9 about 10,000 IV – V

5.0 – 5.9 about 1,000 VI – VII

Explanation:

hope it helps

Mark as brainliest

and follow me for a follow back

5 0
3 years ago
What do psychologists used to assist them in diagnosing abnormal behavior?
soldier1979 [14.2K]

Ok so it usually includes the evaluation of symptom and disorder severity, patterns of symptoms over time number, frequency, and duration of episodes, and the patient's strengths and weaknesses.

8 0
3 years ago
Fido has a weight of 43 N. What is the mass of Fido?
algol13
  • <em>Answer:</em>

<em>m = 4.3 kg</em>

  • <em>Explanation:</em>

<em>Hi there ! </em>

<em>use formula</em>

<em>G = m×g => m = G/g</em>

<em>g ≈ 10N/kg</em>

<em>replace G ; g</em>

<em>m = 43N/(10N/kg)</em>

<em>m = 4.3 kg</em>

<em>Good luck !</em>

6 0
4 years ago
A red blood cell contains 4.8 107 free electrons. What is the total charge of these electrons in the red blood cell?
tatuchka [14]

Answer:

Charge, q=7.68\times 10^{-12}\ C

Explanation:

It is given that,

The number of electron in a RBCs, n=4.8\times 10^7

We need to find the total charge of these electrons in the red blood cell. Let it is q. Using the quantization of charge as follows :

q = ne

e is the change on electron

q=4.8\times 10^7\times 1.6\times 10^{-19}\\\\q=7.68\times 10^{-12}\ C

So, the net charge is 7.68\times 10^{-12}\ C.

7 0
3 years ago
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