If the tennis player serves the ball horizontally (q = 0), calculate its velocity v if the center of the ball clears the 36-in. net by 4 in. also find the distance s from the net to the point where the ball hits the court surface. neglect air resistance and the effect of ball spin.

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:

Which of the following are not typically included in the periodic table? a. atomic mass b. element symbol c. isotopes d. number of electrons

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt