Answer:
<em>Written in Python</em>
def SumN(n):
total = 0
for i in range(1,n+1):
total = total + i
print("Total: ",total)
def SumNCubes(n):
total = 0
for i in range(1,n+1):
total = total + i**3
print("Cube: ",total)
n = int(input("User Input: "))
if n > 0:
SumN(n)
SumNCubes(n)
Explanation:
The SumN function is defined here
def SumN(n):
This line initializes the total to 0
total = 0
The following iteration compute the required sum
<em> for i in range(1,n+1):
</em>
<em> total = total + i
</em>
This line outputs the calculated sum
print("Total: ",total)
The SumNCubes function is defined here
def SumNCubes(n):
This line initializes the total to 0
total = 0
The following iteration compute the required sum of cubes
<em> for i in range(1,n+1):
</em>
<em> total = total + i**3
</em>
This line outputs the calculated sum of cubes
print("Cube: ",total)
The main starts here; The first line prompts user for input
n = int(input("User Input: "))
The next line checks if input is greater than 0; If yes, the two defined functions are called
if n > 0:
SumN(n)
SumNCubes(n)
Answer:
h = 6.35 W/m².k
Explanation:
In order to solve this problem, we will use energy balance, taking the thin hot plate as a system. According to energy balance, the rate of heat transfer to surrounding through convection must be equal to the energy stored in the plate:
Rate of Heat Transfer Through Convection = Energy Stored in Plate
- h A (Ts - T₀) = m C dT/dt
where,
h = convection heat transfer coefficient = ?
A = Surface area of plate through which heat transfer takes place = 2 x 0.3 m x 0.3 m (2 is multiplied for two sides of thin plate) = 0.18 m²
Ts = Surface Temperature of hot thin plate = 225⁰C
T₀ = Ambient Temperature = 25°C
m = mass of plate = 3.75 kg
C = Specific Heat = 2770 J/kg. k
dT/dt = rate of change in plate temperature = - 0.022 K/s
Therefore,
- h (0.18 m²)(225 - 25) k = (3.75 kg)(2770 J/kg.k)(- 0.022 k/s)
h = (- 228.525 W)/(- 36 m².k)
<u>h = 6.35 W/m².k</u>
Answer:
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Explanation:
