Part B .11 Verizon 10:15 PM @ 70 * 26%E). a session.masteringphysics.com C Probl

Question

Part B .11 Verizon 10:15 PM @ 70 * 26%E). a session.masteringphysics.com C Problem 6.14-Enhanced with Feedback In short-track speed skating, the track has straight sections and semicircles 16 m in diameter. Assume that a 63 kg skater goes around the turn at a constant 12 m/s You may want to review (pages 164-169) Part A What is the horizontal force on the skater? Express your answer to two significant figures and include the appropriate units My Answers Give Up Correct Here we learn how to apply the concepts of dynamics of uniform circular motion to identify the force acting on an object. Part B What is the ratio of this force to the skater's weight? Express your answer using two significant figures E 17 Submit Incerrect: Try Again; 4 attempts remaining

Explanation / Answer

Part-B

The ratio of the horizontal force to the weight of the skater is

Fe/w = 1100 N/(63X 9.8) = 1.78

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