When the ball hits the ground , h = 0
so solve 0 = 1+15t -5t^2 for 't' using the Quadratic Formula where a = -5 b = 15 c = 1 Throw out the negative 't' value
greatest height will occur at the 't' value = - b/2a Use this value of 't' in the height equation to calculate the greatest height.
When the ball hits the ground , h = 0
so solve 0 = 1+15t -5t^2 for 't' using the Quadratic Formula where a = -5 b = 15 c = 1 Throw out the negative 't' value
greatest height will occur at the 't' value = - b/2a Use this value of 't' in the height equation to calculate the greatest height.
