Draw a block digram for the following hash functions built from a block cipher e():

1. e(hi−1,xi ⊕hi−1)⊕xi
2. e(xi, xi ⊕hi−1)⊕hi−1
3. e(xi ⊕hi−1,hi−1)⊕x

Assuming compressible flow of air and that the measurements are done at flagstaff a pitot static tube that gives the difference of total and static pressure measures 0.35 m of mercury. what is the velocity of air? assume the temperature to be 300k. (submit your excel or matlab calculation sheet)