What is the angular momentum of a particle whose rotational kinetic energy is 20 J, if the angular momentum of vector coincide with axis of rotation and M.I. about axis 40 kg m? ?
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- A clever witch is social distancing during trick-or-treating by sticking her pumpkin-shaped bucket full of candy on the end of her broomstick. Her broomstick has a length of L = 1.2 m and she holds it Broomstick ly. The broomstick has a mass of 1.10 kg and the pumpkin has a mass of 2.4 kg. The witch holds her hands a distance of d = 0.80 m apart. L d. What is the force from the hand on the end of the broom? This is the hand on the left in the figure. FL = What is the force from the hand closer to the middle of the broom? This is the hand on the right in the figure. FR = NThe position vector of a particle of mass 1.60 kg as a function of time is given by i = (6.00 î + 5.50 t j), where i is in meters and t is in seconds. Determine the angular momentum of the particle about the origin as a function of time. O A. 52.8 t kgm^2/s k O B. 52.8 kgm^2/s j O C. 52.8 kgm^2/s k O D. 92.4 kgm^2/s t ka. What is the angular velocity of the two after the collision?b. What is the kinetic energy before and after the collision?c. What is the total linear momentum before and after the collision?
- NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. A system consists of three identical 15.32-lb particles A, B, and C. The velocities of the particles are, respectively, VA = VAJ, VB=vgi, and vc vck. The angular momentum of the system about O expressed in ft-lb-s is Ho = -1.2k. A 2 ft 2 ft B The velocity of particle A is ( The velocity of particle B is ( The velocity of particle Cis 1 ft VB 3 ft Determine the velocities of the particles. (You must provide an answer before moving to the next part.) ft/s)j. 0.59 ft/s)i. 4 ft ft/s)k.Let's consider two vectors, A = (-7, 10), B = (-5, -8), and C = (-1, 6) as shown below. A C B What is the magnitude of A+ B+ C? Answer What is the direction (8) of A+B+C relative to +x-axis? a-839 b. 20 C-85 3 d. 148°12 3. Find the moment of inertia for the following cases. a. A quarter has a mass of 6 grams and a diameter of 24 millimeters. What is the moment of inertia when you spin it on a table? Give answer in kg m?. b. A figure skater can be modelled as a cylinder of mass 48 kg and radius 0.25 m. Determine the moment of inertia of the figure skater spinning about her center of mass. Give answer in kg m?.