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Alex777 [14]
3 years ago
6

Analyzing a blood sample usually involves which type of separation method?

Physics
1 answer:
schepotkina [342]3 years ago
4 0

Answer:(D.)

Explanation:

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2. In a tug of war contest, one person pulls with a force of 5 Newtons. Another person on the same team pulls with a force of 3
yuradex [85]

Answer:

8 newtons

Explanation:

Balanced forces have an equal amount of newtons. 5+3=8, so the other team will need 8 newtons.

5 0
3 years ago
Read 2 more answers
A boat takes off from the dock at 2.5m/s and speeds up at 4.2m/s2 for 6.0 seconds how far has the boat traveled
suter [353]

Answer:

The answer is "91 m"

Explanation:

v_0 = 2.5 \ \frac{m}{s}\\\\a = 4.2\ \frac{m}{s^2}\\\\t = 6.0\ s\\\\\Delta x=?

Using formula:

\Delta x = v_0 t +\frac{1}{2} at^2\\\\

      = 2.5 \times 6.0  +\frac{1}{2}  \times  4.2 \times 6.0^2\\\\= 90.6\  m \approx 91\ m

5 0
3 years ago
Use the claim to answer the question.
Pachacha [2.7K]

Scientific evidence such as reflection and photoelectric effect has proven the wave-particle model of electromagnetic radiation to be true.

<h3>What is electromagnet radiation?</h3>

Electromagnetic radiation is radiation produced as a result of the interactions of the electric and magnetic fields.

Some forms of electromagnetic radiation include:

  • radio waves
  • microwaves
  • ultraviolet radiation
  • visible light

Electromagnetic radiation can be described using a wave model or a particle model.

The wave property of electromagnetic radiation include:

  • diffraction
  • reflection
  • refraction

The particle property of electromagnetic radiation include:

  • photoelectric effect
  • Compton effect.

Therefore, the wave-particle model of electromagnetic radiation is correct because it can be backed up by experiments and evidence.

Learn more about wave-particle model at: brainly.com/question/20452331

6 0
2 years ago
Read 2 more answers
An object moving with a speed of 35 m/s and has a mass of 75kg what is the kinetic energy
professor190 [17]

Answer:

KE= 656.25 J

Explanation:

KE= ?

m= 75 kg

v= 35 m/s

KE= 1/2 (75)(35)^2

KE= (37.5)(17.5)

KE= 656.25 J

5 0
2 years ago
If a wave has a frequency of 2 HZ what would it be in seconds?
gavmur [86]

Frequency is not a length of time.  It's exactly the opposite.
Frequency tells you how often something happens.  In fact,
the unit 'Hz' means 'per second'.

   Frequency of 2 Hz means "It happens at 2 per second."

The time it takes for the thing to happen once is exactly the
'reciprocal' of the frequency ... ' 1 ' divided by the frequency.

If the frequency is  2 Hz, then the thing happens every 1/2 second.

If the frequency is 74 Hz, then it happens every  1/74 of a second.

If the frequency is 1 KiloHz, then it happens every  1/1000 second.

8 0
4 years ago
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