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Whitney rolls a ball down a ramp that is 18 feet long. If the ball rolls down 2 feet each second, how many seconds does it take for the ball to reach the end of the ramp?

User Nana Lakshmanan
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2 Answers

13 votes
13 votes
We know that: d=18 y=2
Formulate and substitute:18=2t
Cross out the common factor: 9
Answer: 9
User Mr McGoo
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2.7k points
15 votes
15 votes

Answer: Answer:

ball took 9 seconds to reach at the end o the ramp.

Explanation:

Whitney rolls a ball down a ramp.

Length of the ramp = 18 feet

Speed by which the ball rolls down = 2 feet per second

Let the ball takes T seconds to reach the end of the ramp.

By the formula,

(see image)

Therefore, ball took 9 seconds to reach at the end o the ramp.

Whitney rolls a ball down a ramp that is 18 feet long. If the ball rolls down 2 feet-example-1