You've been hired to make a roller coaster more exciting by doubling the speed of the coaster at the bottom of a drop. How much taller does the drop need to be (ignoring friction)?
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Answer:
the height must be increased by 4 times the initial height
Explanation:
As we know by mechanical energy conservation law
initial total potential energy = final kinetic energy
so we have
so we have
now we know that the speed is to be doubled
so the height must be increased by 4 times the initial height
#Learn
Topic : mechanical energy conservation
https://brainly.in/question/3675455
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