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Norma-Jean [14]
3 years ago
9

Consider a new peer Alice that joins BitTorrent without possessing any chunks. Without any chunks,she cannot become a top-four u

ploader for any of the other peers, since she has nothing to upload.How then will Alice get her first chunk?
Engineering
1 answer:
Airida [17]3 years ago
7 0

Answer:She will be selected by "Optimistic Unchoking".

Explanation:BitTorrent is a communication protocol for peer-to-peer file sharing (P2P) it is used to distribute data and electronic files over the Internet.

Optimistic unchoking is an important factor in BitTorrent peer-to-peer (P2P) file sharing networks, with optimistic unchocking there is always one peer that is unchocked.

BitTorrent Peers use optimistic unchoking to find the upload bandwidth details concerning other peers.

However, free users have been known to also make use of optimistic unchoking and download from the network without uploading anything.

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Two objects labeled K and L have equal mass but densities 0.95Do and Do, respectively. Each of these objects floats after being
Nonamiya [84]

Answer:

C. The buoyant forces are equal on the objects since they have equal mass.

Explanation:

Correct option (C) The buoyant forces are equal on the objects since they have equal mass. For floating objects, the buoyant force equals the weight of the objects. Since each object has the same weight, they must have the same buoyant force to counteract that weight and make them float.

4 0
3 years ago
An AM radio transmitter radiates 550 kW at a frequency of 740 kHz. How many photons per second does the emitter emit?
kifflom [539]

Answer:

1121.7 × 10³⁰ photons per second

Explanation:

Data provided in the question:

Power transmitted by the AM radio,P = 550 kW = 550 × 10³ W

Frequency of AM radio, f = 740 kHz = 740 × 10³ Hz

Now,

P = \frac{NE}{t}

here,

N is the number of photons

t is the time

E = energy = hf

h = plank's constant = 6.626 × 10⁻³⁴ m² kg / s

Thus,

P = \frac{NE}{t} = \frac{N\times(6.626\times10^{-34}\times740\times10^{3})}{1}          [t = 1 s for per second]

or

550 × 10³ = \frac{N\times(6.626\times10^{-34}\times740\times10^{3})}{1}

or

550 = N × 4903.24 × 10⁻³⁴

or

N = 0.11217 × 10³⁴ = 1121.7 × 10³⁰ photons per second

7 0
3 years ago
An engineer designing a hydroelectric facility recalls that the flow rate (in gallons per second) is four times the value of the
GarryVolchara [31]

Answer:

Flow rate = 86.48 gal/s

Head of water = 21.62 ft

Explanation:

Detailed explanation and calculation is shown in the image below.

7 0
4 years ago
Read 2 more answers
A gear box’s shaft is made of a hollow circular steel tube with allowable yield stress equal to σa????????o???? . The shaft is l
Leni [432]

Answer:

See explaination

Explanation:

The failure theory asserts that Material failure theory is the science of predicting the conditions under which solid materials fail under the action of external loads. The failure of a material is usually classified into brittle failure or ductile failure.

See attachment for the step by step solution.

3 0
4 years ago
What is the least count of screw gauge?<br> (a) 0.01 cm<br> (b) 0.001 cm<br> (c) 0.1 cm<br> (d) 1 mm
Nonamiya [84]
Its 0.001

0.01 x100 = 1mm
0.001x100=0.1mm
0.1=10mm
1m
3 0
3 years ago
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