In a science museum, you may have seen a Foucault pendulum, which is used to demonstrate the rotation of the earth. In one museum's pendulum, the 110 kg bob swings from a 15.0-m-long cable with an amplitude of 5.0⚫. What is the pendulum's maximum kinetic energy?
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- The figure blow shows the kinetic energy of a simple pendulum versus its angle θ from the vertical. Note the energy units are in milli-joules. The vertical axis is set by Ks=4mJ and the mass of the pendulum bob is 0.200 kg. Determine the length of the pendulum in meters. Use g = 9.8 N/kg.Physics A simple pendulum consists of a small object of mass m= 1.52 kg hanging under a massless string of length L= 8 m. The pendulum swings with angular frequency ω=5.77 rads. If the mass is changed to 2 m and the length of the string is change to 6 L, the frequency of this new pendulum becomes nω . What is the value of n? Please round your answer to 2 decimal places.A 28.0 kg child plays on a swing having support ropes that are 2.30 m long. A friend pulls her back until the ropes are 41.0° from the vertical and releases her from rest.
- A vertical spring 0.100 meter long is stretched to a length of 1.25 meters when a 2 kilogram mass is attached to the bottom. What is the correct value for the spring constant of this spring?A block attached to a horizontal spring that has a spring constant of 20 N/m oscillates between x = - 0.63 m and x = 0.63 m on a frictionless surface as shown. What is the kinetic energy of the block when its position is at x = 0, in Joules? 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.A pitcher supplies a power of P = 226 W to a baseball of mass m = 0.085 kg for a period of t = 0.28 s. What is the ball's speed in m/s when it leaves his hand?
- KE of a simple pendulum Due in 6 hours, 20 minutes 70 60 50 40 30 20 10 -100 -50 50 100 e (mrad) In the figure above, the kinetic energy of a simple pendulum is plotted against its angle 0 from the vertical. If the mass of the pendulum bob is 1.14 kg, what is the length of the pendulum? 0.537 m Submit Answer Incorrect. Tries 9/10 Previous Tries Kinetic Energy (mJ)Hello, can you solve the first 3 parts? Thank you!Please answer questions 3, 4 and 5! A 780 g object is hung from a spring with a force constant of 30 N/m. What is the displacement of the spring from equilibrium length if it is hanging vertically Now, the mass in question a is being pulled downward by an additional 9 cm. What is the potential energy? You release the object, what is the period of oscillation of the mass/spring system? Using yt=Acos(wt), what is the expression of the vertical motion along the y-axis? What is the maximum speed of the oscillating object? What is the maximum kinetic energy? Do these values make sense from the values in part b?
- OK, once again we have a pendulum, this time of length 1.18 m, which you release from rest at an angle of 46.8 degrees to the vertical. What will be the speed of the pendulum at the instant it reaches an angle of 37.4 degrees above the vertical? 3.51 m/s 1.59 m/s 2.70 m/s 2.18 m/sA 50.0 cm long spring with spring constant 224 N/m has a mass 1.4 kg attached to it, and it can oscillate on a horizontal table without any friction. The spring is pulled by a distance 7 cm from the resting position and released. What is the kinetic energy (in joules) of the mass at the instant when the length of the spring is 51 cm. Ans: 0.5376The figure blow shows the kinetic energy of a simple pendulum versus its angle θ from the vertical. Note the energy units are in milli-joules. The vertical axis is set by Ks=4mJ and the mass of the pendulum bob is 0.200 kg. Determine the length of the pendulum in meters. Use g = 9.8 N/kg.