PHYSICS 120 Introduction to Physics I CH 07 HW Problem 7.27-Enhanced - with Feed

Question

PHYSICS 120 Introduction to Physics I CH 07 HW Problem 7.27-Enhanced - with Feedback Previous Answers Constants A 1.50-m-long barbell has a 25.0 kg weight on its left end and a 32.0 kg weight on its right end. Correct Here we leam how to calculate the position of the gravity center for two masses. Part B Where is the center of gravity if the 9.00 kg mass of the barbell itself is taken into account? Express your answer to three significant figures and include the appropriate units. d2- 0.961 Incorrect; Try Again: 5 attempts remaining You have missed a summand in the denominator

Explanation / Answer

Part B:

let the center of gravity be at a distance x from left end

x=(9*0.75 + 32*1.5)/(25+9+32)=0.829 m

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