Saturday
September 20, 2014

Homework Help: physics

Posted by jo on Saturday, September 18, 2010 at 6:45pm.

Here's a physics problem. I dont care about the answer, i just want to know how to do it. dont have to be too detailed.. but i dont really kno how to start this

1.) A model rocket blasts off from the ground rising straight upward with a constant acceleration that has a magnitude of 86 m/s^2 for 1.70 seconds, at which point fuel runs out. Air resistance neglected What maximum altitude will the rocket reach?

2.)In reaching her destination, a backpacker walks with an average velocity of 1.34 m/s, due west. This average velocity of 2.68 m/s, due west,,turns around and hikes with an average velocity of 0.447 m/s due east. how far did she walk?

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