× Incorrect Determine the natural frequency in radians per second for the system shown. Neglect the mass and friction of the pulleys. The mass m 4.4 kg and the spring constant k-485 N/m. m Answer: Wn= divine 10.5 rad/s = =
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- When there is a global heating trend on Earth, the atmosphere expands and the length of the day increases very slightly. Explain why the length of a day increases.GRA OFEE QUESTION 22 A simple pendulum consists of a 2.0 kg mass attached to a string. The pendulum is released from rest at a vertical distance of 1.85 m from the lowest position. The speed at the lowest point is: OA. 1.9 m/s OB.3.7 m/s OC. 36 m/s OD.6.0 m/s OE. 4.4 m/s QUESTION 23 Knot- maximum weight of block A for which the system will be stationary. B The coefficient of static friction between block and table is 0.25. Block B weighs 711 N and the angle 8 is 30°. If the cord between block B and the knot is horizontal, find the e and Submit to save and submit. Click Save All Answers to save all answers. MacBo 88You Rev your car's engine to 3300 rpm. What are the period and frequency of the engine? If you change the period of thr engine to 0.033s, how many rpms is it doing?
- Problem 1. Energy Terms Determine the potential energy of the pendulum shown below. Note: The potential en- ergy should be 0 when 0 = 0, mgL when 0=1, and 2mgL when 0 = 1. /////// 8 m Q Search 99+ HThe tension on the string of the simplependulum is 8.5 N when it is inclined 30degrees from the vertical. The mass of thependulum is 0.5 kg and the length of the stringis 2 m. What is the velocity of the pendulum at thisinstant?a. 2.34 m/s b. 3.61 m/sc. 3.00 m/s d. 4.12 m/s= 3 m. The springs each have an unstretched length of 2 m. 2 m 8. The cylinder has a mass of 20 kg and is released from rest when h = O. Determine its speed when h 2 m wwww.- k= 40 N/m k = 40 N/m
- 6. You land on a new planet and would like to figure out its freefall acceler- ation, gp. You make a pendulum out of a solid disk as seen below: R/2 Suppose the disk has total mass m = 2 kg and radius R = 0.25 m. Its COM is indicated by the blue "x" on the diagram, a distance of R/2 from the circumference. Ensuring that is very small, you let the pendulum oscillate and measure that its total period is T 1.5 s. What is gp? =If the forequency of revolution of an object changes from SHFZ to Aff* in 2 sec ang acc. Calculato5. A simple pendulum, 1.00 m in length, is released from rest when the support string is at an angle of 48.0° from the vertical. What is the speed of the suspended mass at the bottom of the swing? (g = 9.80 m/s2 and ignore air resistance) a. 4.43 m/s b. 3.82 m/s c. 6.49 m/s d. 2.55 m/s
- The circular blade of a table saw spins at 3600 rpm (revolution per minute). What is its frequency, in Hertz? Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.The system is released from rest with the spring initially stretched 2.8 in. Calculate the velocity v of the cylinder after it has dropped 1.5 in. The spring has a stiffness of 4.1 lb/in. Neglect the mass of the small pulley. k = 4.1 lb/in 80 lbtion - A pendulum 4.03 m in length swings through 47 degrees. Calculate the curvilinear distance (s) traveled by its tip to 2 decimal places. Answer: pe here to search E D da. D R F Bi T G 6 B Y & H N U J 8 1 M N 9 K S Ps L >> P Next page ASXXCTD +1.33% Fint