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Gnesinka [82]
4 years ago
13

Is it true or false that sometimes people except certain risks in exchange for other benefits

Engineering
1 answer:
mixas84 [53]4 years ago
3 0
Yes, they have to make certain sacrifices ! for many many benefits.
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Aiman is 80 inches tall. How tall is Aiman in centimeters? Show your work.
harkovskaia [24]
203.2 centimeters.
This is because 1 inch = 2.54 centimeters which means multiply 80 inches X 2.54 = 203.2 centimeters.
5 0
2 years ago
5. One of the major road blocks for direct DC power in residences is the ___. A) generation of DC B) lack of standardization C)
Montano1993 [528]

Answer:

D) quantity of components required for this type of system

Explanation:

Electricity can be transmitted using the alternating and direct currents. The alternating current is one in which the flow of the current diverts at certain time intervals whereas, the direct current is one in which there is a constant one-directional flow of current. The DC is used in batteries and solar panels. Residential areas and business places make use of the AC current.

One of the several reasons why the DC is not used in homes is because unlike the AC it is not easy to build and sustain. Moreso, it has more components compared to the AC. For example, its motor consists of brushes and commutators . The components, example, switches are also large compared to the AC components.

6 0
4 years ago
Nitrogen (N2) contained in a piston–cylinder arrangement, initially at 10 bar and 405 K, undergoes an expansion to a final tempe
yKpoI14uk [10]

Answer:28.21 kJ/kg

Explanation:

Given

P_1=10\ bar

T_1=405\ K

T_2=300\ K

Process PV^{1.3}=constant

Work done for Polytropic process

W=\dfrac{P_1V_1-P_2V_2}{n-1}

where n=Polytropic index

W=\dfrac{R(T_1-T_2)}{n-1}

W=\dfrac{0.296(405-300)}{1.3-1}\quad [R_{N_2}=\frac{8.314}{28}]

W=103.6\ kJ\kg

Now Calculating change in Internal energy

\Delta U=c_v(T_2-T_1)

\Delta U=0.718\times (300-405)

\Delta U=-75.39\ kJ/kg

Now applying First law concept

\Delta U=Q-W

Q=W+\Delta U

Q=103.6-75.392

Q=28.21\ kJ/kg

6 0
4 years ago
I am very clueless
MArishka [77]
When two people put in an answer it tells u to mark someone. Like u can try it on me
5 0
3 years ago
Read 2 more answers
Which field in a Transmission Control Protocol (TCP) header is chosen from ephemeral ports?
zalisa [80]

Answer:

<u>Source Port</u>

Explanation:

When a connection is establish for an application, it assigns a port that is not in use as the source port. Such ports are known as ephemera ports, which are not related to specific protocol and are only allocated for the period of the connection. All data received on this port (until the connection is disconnected) is sent on to that application.

8 0
3 years ago
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