Two cables of known tensions are attached to the top of pylon ab. a third cable ac is used as a guy wire. determine the tension in ac, knowing that the resultant of the forces exerted at a by the three cables must be vertical.

What is meant by the statement" the melting poin of glycerine is 13 degree celsius

The period of a pendulum varies directly as the square root of the length of the pendulum and inversely as the square root of the acceleration due to gravity. find the period when the length is 144 cm and the acceleration due to gravity is 980 cm per second squared, if the period is 7pi seconds when the length is 289 cm and the acceleration due to gravity is 980 cm per second squared.

The ph is the a.independent variable b.the dependent variable c.control group