Aprojectile is fired straight up from ground level. after t seconds it's height is above the ground is h feet where h=-16t^2+144t. for what time period is the projectile at least 288 ft off the ground?

Acatapult is tested by roman legionnaires. they tabulate the results in a papyrus and 2000 years later the archaeological team reads (distances translated into modern units): range = 0.4 km; angle of launch = π/5 rad; landing height = launch height. what is the initial velocity of launch of the boulders if air resistance is negligible?

Apossible explanation for a set of facts that can be tested by further investigation is called

Explain the consequences of this addiction to the brain tissue