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Answer :
Final answer:
The final velocity of a rock thrown downwards with an initial speed of -6.00 m/s after 4.00 seconds, taking the acceleration due to gravity into account, would be -46.00 m/s.
Explanation:
The question is asking about the rock's velocity after a certain duration of time when it is thrown downwards with an initial speed. If a rock is thrown downwards with an initial speed of -6.00 m/s, it is experiencing acceleration due to gravity. Gravity accelerates the rock at a rate of -9.80 m/s². Therefore, using the formula of motion v = u + at,
We can calculate the final velocity of the rock. Substituting the values we've got: v = -6.00 m/s + (-9.80 m/s² * 4.00 s) = -46.00 m/s. The negative sign indicates the direction - the object is moving downwards. As such, the correct answer is not given among the options you have listed (a. 6.00 m/s b. -24.00 m/s c. 0 m/s d. 4.00 m/s).
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