At Westonci.ca, we provide clear, reliable answers to all your questions. Join our vibrant community and get the solutions you need. Our platform connects you with professionals ready to provide precise answers to all your questions in various areas of expertise. Experience the ease of finding precise answers to your questions from a knowledgeable community of experts.

A ball is thrown upward at a velocity of 15 meters per second from a height that is 20 meters above the ground. The height h (in meters) of the ball at time ( (in seconds) after it is thrown can be found by the formula below

h − − 5t² + 15t +- 20

Find the time when the ball is again 20 meters above the ground​