Write a program in Fortran to read a square matrix A (10.10), then calculate and find the following: 1 - the sum of the elements of the upper triangle of the matrix.
2- The sum of the elements of the lower triangle.
3- The sum of the main diagonal elements of the matrix.
4- The sum of the elements of the perimeter of a matrix.​

Aflywheel accelerates for 5 seconds at 2 rad/s2 from a speed of 20 rpm. determine the total number of revolutions of the flywheel during the period of its acceleration. a.5.65 b.8.43 c. 723 d.6.86

Apipe with an outside diameter of 15 cm is exposed to an ambient air and surrounding temperature of -20°c. the pipe has an outer surface temperature of 65°c and an emissivity of 0.85. if the rate of heat loss from the pipe surface is 0.95 kw per meter of length, the external convective heat transfer coefficient (h) is: (a) 12.5 w/m"k (b) 18.6 w/mk (c) 23.7 w/mk (d) 27.9 w/mk (e) 33.5 w/mk

Wiy doeres rere okhn a pump whon working betwon the same pressure range?