2 years ago

PLZ PLZ PLZ PLZ PLZ PLZ PLZ PLZ HELP

Physics

1 answer:

lawyer [7]2 years ago

8 0

Answer:

1 correct

2 wrong

3 wrong

4 correct

5 correct

Explanation:

Hope my answers help

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A new roller coaster contains a loop-the-loop in which the car and rider are completely upside down. If the radius of the loop i

levacccp [35]

Answer:

The minimum speed must the car must be 13.13 m/s.

Explanation:

The radius of the loop is 17.6 m. We need to find the minimum speed must the car traverse the loop so that the rider does not fall out while upside down at the top.

We know that, mg be the weight of car and rider, which is equal to the centripetal force.

$mg = \dfrac{mv^2}{r}\\v = \sqrt{rg}\\v = \sqrt{17.6\times 9.8}\\v = 13.13\ m/s\\$