Ans:
1.some families of farmers are poor so they are forced to cultivate on small lands.
2.farmers have not enough resources to keep good care of the crops.
3.land nowadays is so expensive that they afford a small piece of land to cultivate.
4.farmers need helpers when there are no helpers, the farmers need to make there land small in order to cultivate.
Explanation:
i was just able to write 4 sorry. :(
Answer:
The answer is "Option A".
Explanation:
Series:

Solving the above series:

So, the series is: 
Answer:
F = 8552.7N
Explanation:
We need first our values, that are,

We start to calculate the relative velocity, that is,

With the relative velocity we can calculate the mass flow rate, given by,



We need to define the Force in the direction of the flow,




Answer:
a) 0.697*10³ lb.in
b) 6.352 ksi
Explanation:
a)
For cylinder AB:
Let Length of AB = 12 in


For cylinder BC:
Let Length of BC = 18 in




b) Maximum shear stress in BC

Maximum shear stress in AB

Answer:
The work furnished by the compressor is 
The minimum work required for the state to change is 
Explanation:
The explanation to these solution is on the first, second , third and fourth uploaded image respectively