Posted by **elizabeth** on Tuesday, March 29, 2011 at 12:09pm.

A ball is launched into the air from below a cliff. after t seconds its height above the cliff top is h metres, and is given by the equation

h = − 4.9t 2 + 19.6t − 14.6.

Calculate, to the nearest metre, the maximum height the ball achieves above the cliff top.

## Answer This Question

## Related Questions

- maths - I'm stuck here don't have a clue what to do. I've read all my school ...
- maths - I am trying to understand what to do here.. need help asap!! Thanks! M ...
- maths - Suppose that y is directly proportional to x. If y = 10 when...
- Maths - I need help with the following if thats ok? Calculate the discriminant ...
- Maths - Evaluate the following expression when a = 7 and b =&#...
- maths - The mass of a particular substance is known to grow exponentially at a ...
- Math - Arrange each list of numbers in increasing order. A. 4/7,3/5, 6/11...
- Maths - Please help!!! The mass of a particular substance is known to grow ...
- chem - The following equilibrium pressures were observed at a certain ...
- maths - If a van travels for a distance of 18 km at an average speed of 75...

More Related Questions