Question: Solve the following problems, show your work for full mark: [T, A][40 marks If needed assume g = 9.8 [m/s]]; G = 6.67 x 10-11.

 Solve the following problems, show your work for full mark: [T,A][40 marks If needed assume g = 9.8 [m/s]]; G = 6.67

x 10-11. [kg$2 PE = mgh; KE = = mv; W =AKE Power = energy ; W = F.Ad. cose ; Efficiency =

Solve the following problems, show your work for full mark: [T, A][40 marks If needed assume g = 9.8 [m/s]]; G = 6.67 x 10-11. [kg$2 PE = mgh; KE = = mv; W = AKE Power = energy ; W = F.Ad. cose ; Efficiency = cout x 100%; Top = 1.8 x Toc + 32; Tk = Toc + 273; time EinQ3: What is the Efficiency of a free-falling object if the object falls from the CN Tower, with the height of 500 meters, and has a mass of 50 kg. Assume that the friction force due to air resistance is about 50 [N]. Explain your estimate. [8 marks] show all work and steps

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