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Q12. A stone is thrown from the top of a building at an angle of 30° above the horizontal with an initial speed of 20 m/s. The height from which the stone is thrown is 45 m above the ground. What is the final speed of the stone just before it hits the ground? (Ignore air resistance) A) 36 m/s B) 20 m/s C) 15 m/s D) 43 m/s E) 54 m/s
I know that the answer is a but what are the steps??
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n32o 2 Speedしこ 12.32:4 31332,

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I know that the answer is a but what are the steps?? Q12. A stone is...
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