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2 years ago

True or false for the 4 questions?

Engineering

1 answer:

MariettaO [177]2 years ago

3 0

Answer:

true, false, true, true

Explanation:

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What’s the answer to this I don’t understand

kari74 [83]

Answer:

Electrons are the negatively charged particles of atom. Electrons are extremely small compared to all of the other parts of the atom. So, the negative green particles of this atom are the electrons.

Explanation:

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2 years ago

In very early human history, complex sanitation systems were not needed because settlements were usually very small, like the vi

faltersainse [42]

Answer:
C. Sewer Systems

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3 years ago

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Eduardwww [97]

Answer:

ball a is released from rest at a height of 20 m

Explanation:

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2 years ago

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Suppose you are designing a sliding window protocol for a 1 Mbps point-to-point link to the moon, which has a one-way latency of

mylen [45]

Answer:

approx 306 frames need to be in transit to keep this pipe full

maximum reasonable size is 306 frames

sequence number = 10 bit

Explanation:

given data

transmission rate = 1 Mbps

size of frame Tt = 1 KB

one way latency Tp = 1.25 s

to find out

How many frames need and What is the maximum reasonable size for SWS and RWS and what is the number of bits needed for the sequence number

solution

we know useful time is = $\frac{1 KB}{1 Mbps} = \frac{1024*8}{1000*1000}$

so total time is

total time = Tt + 2Tp

total time = $\frac{1024*8}{1000*1000}$ + 2 × 1.25

possible frames are

$\frac{n*Tt}{Tt+2Tp}$ ≤ 1

n ≤ 1 + $\frac{2.5*1000000}{1024*8}$

n ≤ 306.17

so approx 306 frames need to be in transit to keep this pipe full

and

we know here

size of sending window is equal to size of receiving window

so maximum reasonable size is 306 frames

and

bit need for sequence number is

sequence number = $log^{306+306}_2$

sequence number = 10 bit

7 0

3 years ago

Give six reasons why farmers cultivate on small land

scoray [572]

Ans:

1.some families of farmers are poor so they are forced to cultivate on small lands.

2.farmers have not enough resources to keep good care of the crops.

3.land nowadays is so expensive that they afford a small piece of land to cultivate.

4.farmers need helpers when there are no helpers, the farmers need to make there land small in order to cultivate.

Explanation:

i was just able to write 4 sorry. :(

8 0

2 years ago