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.

Which feature indicates that mars resides in the inner region of the solar system

The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.

The diagram shows a boulder rolling down a hill into a valley and then up the opposite hill. at which position does the boulder have the greatest kinetic energy? a b c d