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Semenov [28]
4 years ago
6

This term means pertaining to or exist at or from the very beginning.

Physics
1 answer:
dalvyx [7]4 years ago
5 0
A. Primordial means to exists from the very beginning.
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How much power does it take to lift 30.0 N 10.0 m high in 10.00 s?
Nadya [2.5K]

The power required is 30 Watt.

Let us recall that power is defined as the rate of doing work. Hence, we can write as follows;

Power = Work done/ time taken

Now;

work done =  Force × distance

Force = 30.0 N

Distance = 10.0 m

work done = 30.0 N × 10.0 m = 300 J

The power expended = 300 J/10.00 s = 30 Watt

Learn more: brainly.com/question/64224

8 0
3 years ago
Read 2 more answers
Dr. Wolski does research on the potential relationship between neurotransmitter deficiencies and mood states. Which psychologica
kipiarov [429]

Answer:

Bio psychology

Explanation:

Since, Dr. Wolski does research on the potential relationship between neurotransmitter deficiencies and mood states. His psychological specialty must be biological psychology.

Biological psychology, or bio psychology, is a discipline in which scientific investigation and clinical practice investigates the relation between brain and body. In this area scholars evaluate the biological basis of feelings, impulses and behaviors.

8 0
4 years ago
When a virus enters a living cell, the virus
sleet_krkn [62]

Answer:

d. causes the cell to make more viruses

Explanation:

Viruses depend on the host cells that they infect to reproduce. When found outside of host cells, viruses exist as a protein coat or capsid, sometimes enclosed within a membrane. The capsid encloses either DNA or RNA which codes for the virus elements.

6 0
3 years ago
What is newtons first law of motion​
Brums [2.3K]
An object in motion will remain in motion unless an outside force stops is.
6 0
3 years ago
A pulsed proton beam is fired at a target. Each pulse lasts 45.0 ns, and there are protons in each pulse, each proton having a s
skelet666 [1.2K]

Answer:

P = n P₀ 4.9 10¹⁴  Pa

Explanation:

The radiation pressure for full absorption is

        P = S / c

Where S the pointing vector, which is equal to the intensity of the beam that is defined as the energy per unit area per unit time

The energy of the protons can be calculated

       Em = K = ½ m v²

Area

          A = π r²

Intensity is

          I = n ½ m v² / π r²

          I = ½ n m /π v² / r²

We replace

         S = U / t A

          S = ½ n m /π v² / r² Δt

The pressure is

           P = 1/c   (½ n m /π (v / r Δt)²2

           Δt = 45 10⁻⁹ s

           P = n [½ m /πc  (v/r)²] 4.9 10¹⁴

The amount in square brackets is the pressure that a proton creates, which is why it is useful

         P = n P₀ 4.9 10¹⁴  Pa

Where Po is the pressure created by a proton

4 0
4 years ago
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