MasteringPhysics: Chapter 5 Google Chrome https:// mastering physics.com 5934815

Question

MasteringPhysics: Chapter 5 Google Chrome https:// mastering physics.com 59348153 Session PHYS-218-FALL 2014-Ulmer Help I Close Chapter 5 Exercise 5.6 Resources T previous l 3 of 15 l next Exercise 5.6 Part A A large wrecking ball is held in place by two light steel If the mass m of the wrecking ball is 3880 kg, what is the tension TB in the cable that makes an cables (Figure 1) angle of 400 with the vertical? Express your answer to two significant figures and include the appropriate units Tin 4.3240 10 N Submit My Answers Give U incorrect, one attempt remaining, Try Again Part B What is the tension TA in the horizontal cable? Express your answer to two significant figures and include the appropriate units Figure 1 of 1 TA Value nits Submit My Answers Give Up Provide Feedback Continue

Explanation / Answer

along vertical

TB*cos40 = mg

TB = (3880*9.8)/cos40 = 4.9636*10^4 N

++++++++++++++++++

along horizantal

TA = TB*sin40

TA = 319054057.9 N

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