Solve: An ant is clinging on, for dear life, to the outside of a tire that is 0.25 m in radius and moving at 30 m/s. If the ant has a mass of 0.004 grams. How much force does the ant need to resist to hang on? .

Achemistry student needs of 40ml diethylamine for an experiment. by consulting the crc handbook of chemistry and physics, the student discovers that the density of diethylamine is 0.7 . calculate the mass of diethylamine the student should weigh out. round your answer to significant digits.

The 10-kg double wheel with radius of gyration of 125mm about o is connected to the spring of stiffness k = 600 n/m by a cord which is wrapped securely around the inner hub. if the wheel is released from rest on the incline with the spring stretched 225 mm, calculate the maximum velocity v of its center o during the ensuing motion. the wheel rolls without slipping

More solar radiation is absorbed by earth’s surface than by