Two different objects are moving with different velocities until they strike each other, stick to each other, and begin moving together. if each object’s mass is known and each object’s initial velocity is known, then the final velocity can be predicted using the law of conservation of a. energy b. momentum c. force d. speed

At a certain instant after jumping from the airplane a, a skydiver b is in the position shown and has reached a terminal (constant) speed vb = 52 m/s. the airplane has the same constant speed va = 52 m/s, and after a period of level flight is just beginning to follow the circular path shown of radius ρa = 2330 m. (a) determine the velocity and acceleration of the airplane relative to the skydiver. (b) determine the time rate of change of the speed vr of the airplane and the radius of curvature ρr of its path, both as observed by the nonrotating skydiver.

Which are true about beta reactions? there will be more than one answer. a. it has no change b. it doesn't change the mass of the number c. it has a mass of 0.0005 atoms d. it causes transmutation.

Failure to accomplish erikson’s psychosocial task of late adulthood leads to despair. a. true b. false