Question

The diameter of the largest particle that can be moved by a current varies directly proportional to the square of the velocity of the current. If a current with a velocity of 77 mile per second can move coarse sand particles of 0.002 inches in diameter:
a) What is the particular function that relates the diameter to the speed of the currente
b) Calculate the speed that is required to drag particles of 0.13 inches in diameter.

Answer 1

es b según yo pero si es la gespuesta