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6. A bored student throws a pebble straight up from a 5m cliff at 12 m/s. How much time does it take to hit the ground below? Part 2: which letter (A, B or C) most accurately portrays this scenario?
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30 votes
30 votes
6. A bored student throws a pebble straight up from a 5m cliff at 12 m/s. How much time

does it take to hit the ground below? Part 2: which letter (A, B or C) most accurately
portrays this scenario?

User Paul Van Den Dool
by
3.0k points

1 Answer

7 votes
7 votes

Answer:

It takes 0.416 seconds to hit the ground.

Step-by-step explanation:

speed = distance/ time

12 = 5/ x (multiply both with x)

12x = 5 (÷ 12)

x = 0.416 s

User Sayan
by
2.5k points
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