Thursday
November 27, 2014

Homework Help: Physics

Posted by Anonymous on Friday, May 28, 2010 at 1:40pm.

In January 2004, NASA landed exploration vehicles on Mars. Part of the descent consisted of the following stages:
Stage A: Friction with the atmosphere reduced the speed from 19300 to 1600 in 4.0 .
Stage B: A parachute then opened to slow it down to 321 in 94 .
Stage C: Retro rockets then fired to reduce its speed to zero over a distance of 75 .
Assume that each stage followed immediately after the preceding one and that the acceleration during each stage was constant.

A-Find the rockets acceleration (in m/s^2) for part A,B,and C

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