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The loop track of a hot wheels car has a radius of curvature of 60 cm. Assume the loop is a perfect circle. A toy

The loop track of a hot wheels car has a radius of curvature of 60 cm. Assume the loop is a perfect circle. A toy car weighs 50 grams, what is the minimum speed with which a car should enter the horizontal track so as to be able complete the vertical loop without falling off?

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