Friday

April 18, 2014

April 18, 2014

Posted by **marlyn** on Saturday, December 5, 2009 at 12:23pm.

The Grand Canyon is 1600 meters deep at its deepest point; a rock is dropped from the rim above this point. Express the height of the rock as a function of the time t in seconds. How long will it tale the rock to hit the canyon floor?

can someone help me find the answer.

- calculus -
**bobpursley**, Saturday, December 5, 2009 at 12:35pmHeight measured from the bottom?

height=1600-1/2 g time^2

how long to the bottom? When is h=0, do that, and solve for time

**Related Questions**

Calculus - the grand canyon is 1600 meters deep at its deeoest point. a rock is ...

Cal Word Problem - Use a(t)= -9.8 meters per secondas the acceleration due to ...

physics - A rock is dropped into the Grand Canyon. It takes 18 seconds to hit ...

More Calc - There is a ditch that is 18 feet deep at its deepest point. A rock ...

physics - A daredevil is dead set on jumping the Grand Canyon at its narrowest ...

math - The Grand Canyon The time t (in seconds)that it takes for an object to ...

Physics need help now - A daredevil is dead set on jumping the Grand Canyon at ...

physics - Hans stands at the rim of the Grand Canyon & yodels down to the the ...

Physics - A boy stands on the edge of a building 7 meters high and throws a rock...

Physics - One can get a good idea of how deep a well is, for example, by ...