Mathematics, 26.10.2019 20:43 aletadaboss

40 pts! a rocket accelerates straight up from rest with a constant acceleration of 400 m/s^2. how long will it take the rocket to reach an altitude of 20,000 meters? this problem can be represented using the following equation. (1/2)400t^2=20,00

a. 20 seconds
b.) 10 seconds
c.) 12 seconds
d. 7 seconds

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