Modern human do not need wisdom teeth. some people never have them, and other people need to get them removed. what does the existence of unused structures, such as wisdom teeth, suggest about the ancestry of humans

During spring semester at mit, residents of the parallel buildings of the east campus dorms battle one another with large catapults that are made with surgical hose mounted on a window frame. a balloon filled with dyed water is placed in a pouch attached to the hose, which is then stretched through the width of the room. assume that the stretching of the hose obeys hooke's law with a spring constant of 89.0 n/m. if the hose is stretched by 5.80 m and then released, how much work does the force from the hose do on the balloon in the pouch by the time the hose reaches its relaxed length? unitst 3 number-1497 the tolerance is +/-5% open show work click if you would like to show work for this question:

The coefficient of friction is a number that represents the resistance to sliding between two in contact with one another.

The dot diagram represents the motion of the motorcycle as it moves from left to right