meters above the ground, at a certain angle, the height of the cannonball above the ground, h, in meters, at time, t, in seconds, is found by the function h left parenthesis t right parenthesis equals negative 4.9 t squared plus 27.5 t plus 9.1h(t)=−4.9t2+27.5t+9.1. Find the time it takes for the cannonball to strike the ground.

Question

meters above the​ ground, at a certain​ angle, the height of the cannonball above the​ ground, h, in​ meters, at​ time, t, in​ seconds, is found by the function h left parenthesis t right parenthesis equals negative 4.9 t squared plus 27.5 t plus 9.1h(t)=−4.9t2+27.5t+9.1. Find the time it takes for the cannonball to strike the ground.

kaylak12345 · Answer

Help

danjs · Answer

so if you put in time t=0, you will get the initial height h(0) for the cannonball

kaylak12345 · Answer

It is fired from a height of 9.1

danjs · Answer

|dw:1477880337122:dw|