Answer:
Who would pay for my product or service?
Who has already bought from me?
Am I overestimating my reach?.
What does my network think?.
Am I making assumptions based on my personal knowledge and experience?
What's my revenue model
How will I sell my product or service?
How did my competitors get started?
How will I find my customers?
Is there room to expand my target market?
Answer:
Here, The CML is used for efficient portfolios whereas the SML applies to all portfolios or securities
Considering the seperation theorem, The separation theorem states that the investment decision is sepaarte from the financing decision.
This implies that The SML can be used to analyze the relationship between risk and requried return for all assets.
Under the separation theorem investors should Hold the same portfolio of risky assets and the same expected return but at different levels of risk
Explanation:
See answer
Answer:
H(s) = 20 / [ 1 + s / 10^5 ]^2
Explanation:
Given data:
cutoff frequency = 100 kHz
stopband attenuation rate = 40 dB/decade
nominal passband gain = 20 dB
new nominal passband gain at cutoff = 14 dB
<u>Represent the transfer function H(s)</u>
The attenuation rate show that there are two(2) poles
H(s) = k / [ 1 + s/Wc ]^2 ----- ( 1 )
where : Wc = 100 kHz = 10^5 Hz , K = 20 log k = 20 dB ∴ k = 20
Input values into equation 1
H(s) = 20 / [ 1 + s / 10^5 ]^2
Answer:
a) the actual thermal efficiency is 15.17%
b) the maximum thermal efficiency is 29.55%
Explanation:
a) the actual thermal efficiency is for a heat engine is,
E actual = Power obtained / Necessary heat rate as input = P/q
q = F * c * (Tinitial - Tfinal) , F = mass flow rate , c=specific heat of water ( we assume c= 1 cal/gr°C = 4.186 J/gr°C= 4.186 kJ/kg°C)
q = 210 Kg/s * 4.186 kJ/kg°C (150°C - 90 °C) = 52743.6 kW
therefore
E actual = 8000 kW /52743.6 kW = 0.1517 = 15.17%
b) the maximum thermal efficiency for the same heat source and heat sink corresponds to the one of a Carnot engine. Where,
E max = 1 - Tc/Th , Th is the absolute temperature of the hot heat source and Tc is the absolute temperature of the cold heat sink.
therefore
Th= 150°C + 273 °C = 423 K
Tc= 25°C + 273°C = 298 K
thus
E max = 1- 298/423 = 0.2955 = 29.55%
Answer:
For any material if ∈ is the axial strain then the lateral strain is given by -μ∈ is the lateral strain in the object
Where,
μ is the poisson's ratio of the material
The longitudinal strain is calculated as follows
Thus the lateral strain becomes
now by definition of lateral strain we have
By hookes law the stress developed due to the given strain is given by
Applying values we get
Thus the force is calculated as