jeanniebyrd54
06.03.2020 •
Physics
A spaceship is traveling at a velocity of v0 = (41.2 m/s)i when its rockets fire, giving it an acceleration of a = (3.03 m/s2)i + (4.42 m/s2)k. How fast, in m/s, is the rocket moving 5.27 s after the rockets fire?
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Ответ:
Explanation:
Acceleration is defined as the variation of Velocity in time :
In this case and .
Therefore:
Note the negative sign indicates the car is slowing