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ladessa [460]
3 years ago
5

Scanning the road can be thought of as

Engineering
2 answers:
romanna [79]3 years ago
7 0
Must stop for all buses picking up or dropping off kids on a two lane road. Hope that help you
maw [93]3 years ago
5 0

Answer:

Observational Skills

Explanation:

Observing the area also known as scanning the scene

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Air flows through a device in which heat and work is exchanged. There is a single inlet and outlet, and the flow at each boundar
Pepsi [2]

Answer:

11548KJ/kg

10641KJ/kg

Explanation:

Stagnation enthalpy:

h_{T} = c_{p}*T + \frac{V^2}{2}

given:

cp = 1.0 KJ/kg-K

T1 = 25 C +273 = 298 K

V1 = 150 m/s

h_{1} = (1.0 KJ/kg-K) * (298K) + \frac{150^2}{2} \\\\h_{1} =  11548 KJ / kg

Answer: 11548 KJ/kg

Using Heat balance for steady-state system:

Flow(m) *(h_{1} - h_{2} + \frac{V^2_{1} - V^2_{2}  }{2} ) = Q_{in} + W_{out}\\

Qin = 42 MW

W = -100 KW

V2 = 400 m/s

Using the above equation

50 *( 11548- h_{2} + \frac{150^2 - 400^2 }{2} ) = 42,000 - 100\\\\h_{2} = 10641KJ/kg

Answer: 10641 KJ/kg

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