Assignment Scoring é In Problem 2, you only get one submission for the pull down

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Assignment Scoring é In Problem 2, you only get one submission for the pull down answer where you must ose "north" of east or "south of east Your last submission is used for your score 11 points CJ6 2 P014 NASA has developed Deep-Space 1 (DS-1), a spacecraft that is scheduled to rendezvous with the asteroid named 1992 KD (which orbits the sun millions of miles from the earth). The propulsion system of DS-1 works by ejecting high-speed argon ions out the rear of the engine. The engine slowly increases the velocity of DS-1 by about 19.0 m/s per day. (a) How much time (in days) will it take to increase the velocity of DS-1 by 11200 m/s? days (b) What is the acceleration of DS-1 (in m/s2)1 m/s c View Previous Question Question 6 of 8 View Next Question >> Home My Assignments E Type here to search

Explanation / Answer

Given,

The engine velocity increases by 19 m/s per day

a)The number of days required to get velocity of 11200 m/s would be:

N = 11200 m/s / 19 m/s day = 589.47 days

Hence, N = 589.47 days

b)The acceleration would be:

a = v/t ; v = 19 m/s

t = 1 day = 24 hrs x 60 min x 60 sec = 86400 s

a = 19 m/s / 86400 s = 2.2 x 10^-4 m/s^2

Hence, a = 2.2 x 10^-4 m/s^2

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