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NikAS [45]
3 years ago
12

Two falling inflated balls of different masses land at the same time.

Physics
1 answer:
Mashcka [7]3 years ago
8 0

Answer:

true two falling inflated balls of different mass lands at the smae time because gravity acts to both in a same way

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A capacitor is connected to an AC generator. As the generator's frequency is increased, what happens to the current in the capac
just olya [345]

Answer:

A) The current increases

Explanation:

In the DC limit (that means, very low frequency of the generator), the capacitor acts as an open circuit. In fact, a capacitor consists of two parallel plates which are separated from each other: this means that the current cannot flow through it, but it can only flow through the rest of the circuit.

In the case of a direct current (DC), therefore, the current in the circuit must be zero. For an AC current with very low frequency, the current is still very low, because the polarity of the generator changes direction not very often, so there is still enough time for the capacitor to "block" the current. However, when the frequency of the generator is increased, the polarity changes so fast that the current in the circuit can flow without having time of "hitting" the capacitor, so it has almost no effect and the current in the circuit is maximum.

3 0
3 years ago
What happens when matter and antimatter collide
Mekhanik [1.2K]

Answer:

Annihilation

Explanation:

Annihilation is the phenomenon that occurs when a particle of matter and its corresponding anti-particle of antimatter collide with each other. When this collision occurs, the particle and antiparticle "disappear", and all their mass is converted into pure energy, according to Einstein's famous equation:

E=mc^2

where

E is the energy released

m is the mass of the two particles together

c is the speed of light

Annihilation is the process that releases the largest amount of energy at all, since the whole mass of the particles involved is 100% converted into energy. An example of annihilation is the electron-positron annihilation.

4 0
3 years ago
Question 2 of 10
mamaluj [8]

Answer:

2.00 A

Explanation:

Total resistance = 10 + 20 + 30 = 60 ohms

Potential difference (V) = 120volts

Current (I) =?

from Ohms law V = IR

==> I = V/R = 120/60 = 2 A

Note: for resistors in series equal amount of electric current flows through the circuit

7 0
3 years ago
Which statement about the dark nebulae is true? Group of answer choices They can be penetrated only with longer wavelengths such
Oduvanchick [21]

Answer:

They can be penetrated only with longer wavelengths such as radio and infrared.

Explanation:

A dark nebula can be defined as an interstellar cloud that is so dense as a result of high concentration of gas and dust and as such it obscures the visible wavelengths of light from stars behind it, thus appearing completely opaque (dark patch) in front of a bright emission nebula or in regions having  plenty stars.

<em>Hence, dark nebulae can be penetrated only with longer wavelengths such as radio and infrared light because they cannot be absorbed by the dust layers or particles coated with frozen carbon monoxide and nitrogen residing in the dark nebulae</em>.

5 0
3 years ago
Describe the steps of aerobic cellular respiration and the amount of energy produced by each step.
Setler [38]

Aerobic cellular respiration have 3 parts, this is Glycolysis, Pyruvate Oxidation and Krebs cycle.

<h3>How is the aerobic breathing process?</h3>

Aerobic respiration consists of carrying out the process of degradation of organic molecules, reducing them to molecules with practically no releaseable energy. The products of the initial degradation of the organic molecule are combined with oxygen in the air and transformed into carbon dioxide and water.

In this case, Aerobic cellular respiration have 3 parts:

  • Glycolysis(yeilds 2ATP & 2NADH).
  • Pyruvate Oxidation(yeilds 2NADH).
  • Krebs cycle(yeilds 2GTP,2FADH2 & 6NADH).

So the total =4ATPs (2GTP equivalent to 2ATP) +10NADH (equivalent to 30ATPs) + 2FADH2(4 ATPs) =38 ATPs.

See more about Aerobic cellular respiration at brainly.com/question/22531444

#SPJ4

3 0
2 years ago
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