Mars Landing In January 2004, NASA landed exploration vehicles on Mars. Part of the descent consisted of
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Stage B: A parachute then opened to slow it down to 321 km/h in 94 s.
Stage C: Retro rockets then fired to reduce its speed to zero over a distance of 75 m.
Assume that each stage followed immediately after the preceding one and that the acce1emtion during each stage was constant.
(a) Find the rocket's acceleration (in m/S') during each stage.
(b) What total distance (in km) did the rocket travel during stages A, B, and C?
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IDENTIFY For constant acceleration Eqs 28 212 213 and 214 apply SET UP Take y to be downward so the ...View the full answer
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Related Book For 
University Physics with Modern Physics
ISBN: 978-0321501219
12th Edition
Authors: Hugh D. Young, Roger A. Freedman, Lewis Ford
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