An object is thrown upward at a speed of 141 feet per second by a machine from a height of 6 feet off the ground. The height of the object after t seconds can be found using the equation h(t)=-16t2 +141t + 6. Give all numerical answers to 2 decimal places. When will the height be 240 feet? At When will the object reach the ground? units: units: When will the object reach its maximum height? What is its maximum height? units: units: