i need help with percales

Suppose an object is dropped from a height ho above the ground. Then its height after t seconds is given by h = 162 + ho, where h is measured in feet. Use this information to solve the problem. A ball is dropped from the top of a building 83 ft tall. (Round your answers to three decimal places.) (a) How long will it take to fall half the distance to ground level? 15 = sec (b) How long will it take to fall to ground level? t = sec Need Help? A factory is to be built on a lot measuring 200 h by 210 ft. A local building code species that a lawn of uniform width and equal in area to the factoryr must surround the factory. What must the width of this lawn be, and what are the dimensions of the factory? width of lawn ft factory dimensions It (smaller length] by ft (larger length) Need Help?