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27 votes
A volcano launches a lava bomb straight upward with an initial speed of 24 m/s. speed at 2 and 3 seconds and it it is upward or downward

User Liam Sorsby
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1 Answer

19 votes
19 votes

Answer:

Step-by-step explanation:

v = u + at

Let Up be the positive direction

v(2) = 24 + (-9.8)(2) = 4.4 m/s Positive result means Upward

v(3) = 24 + (-9.8)(3) = -5.4 m/s Negative result means Downward

User Amolv
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