A cannon ball is launched from 58m/s [57.5° above the horizon]. The cannon is located on a platform some distance from the ground, if the cannon lands 335m from the base of the platform, what is the height or the platform, abs how high did the cannon go?

If the force on an object is in the negative direction, the work it does on the object must be [2 points a) negative. b) positive c) the work could be either positive or negative, depending on the direction the object moves

Which branches of natural science include the study of an organism that lived 10 million years ago

Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.