Answer:
( a ) The specific volume by ideal gas equation = 0.02632
% Error = 20.75 %
(b) The value of specific volume From the generalized compressibility chart = 0.0142
% Error = - 34.85 %
Explanation:
Pressure = 1 M pa
Temperature = 50 °c = 323 K
Gas constant ( R ) for refrigerant = 81.49
(a). From ideal gas equation P V = m R T ---------- (1)
⇒ =
⇒ Here = Specific volume = v
⇒ v =
Put all the values in the above formula we get
⇒ v = ×81.49
⇒ v = 0.02632
This is the specific volume by ideal gas equation.
Actual value = 0.021796
Error = 0.02632 - 0.021796 = 0.004524
% Error = × 100
% Error = 20.75 %
(b). From the generalized compressibility chart the value of specific volume
= v = 0.0142
The actual value = 0.021796
Error = 0.0142 - 0.021796 =
% Error = × 100
% Error = - 34.85 %
The nature of the image depends on the position of the object which is the candle in this case.
<h3>What is a concave mirror?</h3>
A concave mirror is one of the types o curved mirror. We must note that the position and nature of the image is determined by the position of the object as shown on the ray diagram.
In this case the ray diagram is missing hence the question is incomplete. The nature of the image depends on the position of the object which is the candle in this case.
Learn more about concave mirror:brainly.com/question/25937699
Answer:
<em>The cliff is 5916.75 m far</em>
Explanation:
Echo: This is a sound heard after the reflection of sound wave from a plane surface.
v = 2x/t........................... Equation 1
making x the subject of the equation above,
x = vt/2........................... Equation 2
Where v = speed of sound in air, x = distance of the cliff, t = time to produce an echo
<em>Given: t = 34.50 s,</em>
<em>Constant: v = 343 m/s</em>
<em>Substituting these values into equation 2,</em>
<em>x = 343×34.5/2</em>
<em>x = 5916.75 m.</em>
<em>Thus the cliff is 5916.75 m far</em>
<span>a) 3 bulbs rated 40W for 5 hrs : 3*40*5 = 600 Watt hours
</span><span>b) A heater rated 1500W for 3hrs 3* 1500 = 4500 Watt hours
</span>
<span>c) A fridge rated 400W
Would assume the Fridge would run for 24 hours a day :400*24 = 9600 Watt hours
</span>
Total Watt hours for 1 day :
600 + 4500 + 9600 = 14700 Watt hours
Unit of Electricity is in kWh
14 700 wh = 14700/1000 = 14.7kWh
But 1kWh = Rs.3
14.7 kWh = 3*14.7 = 44.1
Total cost = Rs.44.10
Kinetic Energy is calculated by KE= 1/2mv2