A 5.5 kg box is lifted onto a shelf which is 2.0 meters high. How much Potential Energy does it have? 11 j
O 7.5 j
O 17.3j
107.8)

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:

Asher cycles 12 miles in 16 hours. what is his speed?

The electronic structure or chlorine is 2.8.7 what is the electronic structure of fluorine?