An airplane needs to attain a speed of 480 feet per second in order to take off. If the airplane has a maximal acceleration of 12 feet per square second, how long (at a minimum) must the runway be in order to accommodate the airplane for takeoff

Calculate the kinetic energy of earth due to its spinning about its axis. krot = j compare your answer with the kinetic energy of the orbital motion of earth's center of mass about the sun. assume earth to be a homogeneous sphere of mass 6.00 1024 kg and radius 6.40 106 m. the radius of earth's orbit is 1.50 1011 m.

Apassenger walks toward the rear of a moving train. describe her motion as seen from a reference point on the train. then describe it from a reference point on the ground

Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system