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A 55 kg skateboarder wants to just make it to the upper
Chapter 10, Problem 8E(choose chapter or problem)
Problem 8E
A 55 kg skateboarder wants to just make it to the upper edge of a “quarter pipe,” a track that is one-quarter of a circle with a radius of 3.0 m. What speed does he need at the bottom?
Questions & Answers
QUESTION:
Problem 8E
A 55 kg skateboarder wants to just make it to the upper edge of a “quarter pipe,” a track that is one-quarter of a circle with a radius of 3.0 m. What speed does he need at the bottom?
ANSWER:
Step 1 of 4
Here we need to calculate the initial speed or the speed at the bottom of a skateboarder with mass \(m=55 \mathrm{~kg}\). The skateboarder has to move from the bottom of a quarter pipe to the upper edge, where the radius of the circle is \(r=3 \mathrm{~m}\) as shown in the figure below;