An observer stands 2400 ft away from a launch pad to observe a rocket launch. the rocket blasts off and maintains a velocity of 700 ft/sec. assume the scenario can be modeled as a right triangle. how fast is the angle of elevation (in radians/sec) from the observer to rocket changing when the rocket is 700 ft from the ground

Bernie drove home from a vacation in 1.5 hours. he traveled a total distance of 60 miles. what was his average speed in miles per hour? a. 60 mph b. 90 mph c. 40 mph d. 55mph

As a car drives with its tires rolling freely without any slippage, the type of friction acting between the tires and the road is 100) a) static friction. b) kinetic friction. c) a combination of static and kinetic friction. d) neither static nor kinetic friction, but some other type of friction. e) it is impossible to tell what type of friction acts in this situation.

Inside of a windmill or a dam is a that is used to transform one type of energy into electrical energy. a. motor b. generator c. transformer d. power pack