The height of an object dropped from the top of a 144 foot- building is given by h(t)= -16 square +144. How long will it take the object to hit the ground?

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the given curves about y = 8.8y = x3, y = 0, x = 4use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the given curves about y = 8.8y = x3, y = 0, x = 4