You are attending a county fair with your friend from your physics class. While walking around the fairgrounds, you discover a new game of skill. A thin rod of mass M = 0.530 kg and length = 2.65 m hangs from a friction-free pivot at its upper end as shown in the figure. Pivot O Incoming Velcro-covered ball Velcro m M ↑ The front surface of the rod is covered with Velcro. You are to throw a Velcro-covered ball of mass m = 1.50 kg at the rod in an attempt to make it swing backward and rotate all the way across the top. The ball must stick to the rod at all times after striking it. If you cause the rod to rotate over the top position (that is, rotate 180° opposite of its starting position), you win a stuffed animal. Your friend volunteers to try his luck. He feels that the most torque ould be applied to the rod by striking it at its lowest end. While he prepares to aim the lowest point on the rod, you calculate how fast he must throw the ball to win the stuffed animal with this technique. How fast must he throw the ball to win the stuffed animal? (Enter the minimum speed necessary to win in m/s.) m/s
You are attending a county fair with your friend from your physics class. While walking around the fairgrounds, you discover a new game of skill. A thin rod of mass M = 0.530 kg and length = 2.65 m hangs from a friction-free pivot at its upper end as shown in the figure. Pivot O Incoming Velcro-covered ball Velcro m M ↑ The front surface of the rod is covered with Velcro. You are to throw a Velcro-covered ball of mass m = 1.50 kg at the rod in an attempt to make it swing backward and rotate all the way across the top. The ball must stick to the rod at all times after striking it. If you cause the rod to rotate over the top position (that is, rotate 180° opposite of its starting position), you win a stuffed animal. Your friend volunteers to try his luck. He feels that the most torque ould be applied to the rod by striking it at its lowest end. While he prepares to aim the lowest point on the rod, you calculate how fast he must throw the ball to win the stuffed animal with this technique. How fast must he throw the ball to win the stuffed animal? (Enter the minimum speed necessary to win in m/s.) m/s
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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