A trough is filled with a liquid of density 855 kg/ . The ends of the trough are equilateral triangles with sides 7 m long and vertex at the bottom. Find the hydrostatic force on one end of the trough.
e. 
Mathematics
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Match the equation with the surface it defines.
+ 
= 
A. Figure 2 B. Figure 4 C. Figure 1 D. Figure 3
Mathematics
Find the gradient field F of the function f.f(x, y, z) = 
A. F = 
(x2 + y2 + z2)i + 
j + 
k
B. F = 
i + 2yj + 2zk
C. F = 
i + 
j + 
k
D. F = 
i + 
j + 
k
Mathematics
Solve the problem.A card is drawn from a well-shuffled deck of 52 cards. What is the probability of drawing an ace or 8?
A. 
B. 
C. 
D. 9
Mathematics
A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given.V = 
Bh; V = 36, h = 9
A. 45 B. 12 C. 4 D. 324
Mathematics