Chay asked in Science & MathematicsPhysics · 1 month ago

Physics help please???

A roller coaster car filled with passengers has a mass of 4800 kg. What speed must

it have at the top of a 75.0 m-tall vertical circular loop in order for the car not to

fall off the track?

1 Answer

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  • 1 month ago
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    At the top vertical position of circular loop in order for the car not to

    fall off the track:=>mv^2/r = mg

    =>v = √rg

    =>v = √[(75/2) x 9.8]

    =>v = 19.17 m/s

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