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4. Normie Neutron swings a rubber ball attached to a string over his head in a horizontal, circular path. The piece of string is 1.5 m long and the ball makes 120 complete turn each minute. a) What is the average velocity of the ball?

4. Normie Neutron swings a rubber ball attached to a string over his head in a horizontal, circular path. The piece of string is 1.5 m long and the ball makes 120 complete turn each minute. a) What is the average velocity of the ball?

College Physics
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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Please help me answer number 4 and 5 with complete solution

4. Normie Neutron swings a rubber ball attached to a string over his head in a horizontal, circular path. The piece of string is 1.5 m long and the ball makes 120 complete turn each minute. a) What is the average velocity of the ball? b) What is the ball's centripetal acceleration? 5. It takes a 900. kg racing car 12.3 s to travel at uniform speed around a circular racetrack of radius 90.0 m. What is the centripetal force acting on the car, and which force provides it?
Transcribed Image Text:4. Normie Neutron swings a rubber ball attached to a string over his head in a horizontal, circular path. The piece of string is 1.5 m long and the ball makes 120 complete turn each minute. a) What is the average velocity of the ball? b) What is the ball's centripetal acceleration? 5. It takes a 900. kg racing car 12.3 s to travel at uniform speed around a circular racetrack of radius 90.0 m. What is the centripetal force acting on the car, and which force provides it?
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