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- The 3.50 kg, 40.0-cm-diameter disk in (Figure 1) is spinning at 300 rpm. For help with math skills, you may want to review: Solving Algebraic Equations For general problem-solving tips and strategies for this topic, you may want to view a Video Tutor Solution of Nutcracker. Figure 3 1 of 1 Brake Part A How much friction force must the brake apply to the rim to bring the disk to a halt in 2.10 s ? Express your answer with the appropriate units. μà Value Submit Units Request Answer < Return to Assignment ? Provide FeedbackPlease AsapA1 kg mass is tied to a string and is being swung in a horizontal circle. The mass has a constant angular velocity of 0.3 rad/s. The string has a Young's modulus of 10 X 106 N/m?, and the string's original length is 0.7 m long. The radius of the string is 0.05 cm. How much does the string stretch? You can think of the string as being shaped like a long, thin cylinder. 5.6 mm 2.7 mm 3.2 mm 4.7 mm 3.8 mm
- A 0.013 kg rubber stopper attached to a 0.93 m string is swung in a circle. If the tension in the string is 0.35 N, what is the period of the stopper's rev.?A 200 g block on a 58.0 cm -long string swings in a circle on a horizontal, frictionless table at 95.0 rpm You may want to review (Pages 186 - 189) Part A What is the speed of the block? Express your answer with the appropriate units. 5.46 Submit Part B μA 10.27 Submit m X Incorrect, Try Again; 5 attempts remaining S Previous Answers Request Answer What is the tension in the string? Express your answer with the appropriate units. μÅ 3 ? N ? Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaininga. What is the magnitude of acceleration of the block? b. What is the magnitude of the tension force from the block on the cylinder?
- NOTE: The answer of 85.715 rpm was given to me and was incorrect. What is the correct answer?A 200 kg mass hangs from a 300 m cable on Mars (g=3.71 m/s2). It is displaced left from equilibrium along an arc with length 30 m and released at t = 0. What is its position relative to equilibrium when t = 20 s? What is its acceleration?Parts a-c