Question

What expressions for a, b, and c should be used?

Answer 1

`a=-4.9,b=v,c=0`

Explanation:

The given equation is

`h=-4.9t^2+vt`

This is a quadratic equation in
`t`

To solve
`t` using the quadratic formula, we substitute

`a=-4.9,b=v,c=0`