Name: /20 marks Module 5: Proficient Level (2 marks) 3) A 4.0 kg ball is swung at a constant speed in a vertical circle of radius 2.5 m. If the ball completes one revolution in 3.0 s, what is the tension in the rope at the top of the circle? (Please include a free body diagram.) T= mud- mg T = 4 0 ( 2 x ). (2. 53 - 14(9.8) 32 T=m (2xr)* r+ 2 - my T = 4 . 6 N - 2 6) What is the mechanical energy of a 2000 8g h Giving 250 kim/h at 50jim above the ground Module 5: Exemplary Level (2 marks) 4) A satellite is located 3.15 x 105 m above the surface of the Earth. What is the period of the satellite's orbit? h = 3 , 15 x 10 m d has no friction. You use a rope to led with 100 N R = 6. 378 x 10# m s a horizontaldistance of . much work off M = 5 . 97 x 10 24 kg final speed? G = 6. 67 x 10 nmilkg? T= 258 - ( Rth) 3 GM T= 20 16. 378 x 10 + 3. 15 x106)3 6.67 x10-1 x 5. 97 x 1024 T= 5, 452 x 10 5 Fr= 5.452x10 = 1, 52 hrs 60 * 60