a ball is thrown upward with an initial height of 3 feet with an initial upward velocity 37 ft/s the balls heigh in feet after t second is given by h=3=+37t-16t^2

or

Step-by-step explanation:

Given

Required

Find all values of t when height is 23 feet

To solve this, we simply substitute 23 for h

Collect  like terms

Solve t using quadratic formula;

Where a = 16, b =-37 and c = 20

or

or

or

or

4.0 ft

step-by-step explanation:

4.0 ft