A spherical boulder of mass 147 kg and radius 26 cm rolls without slipping down a hill 13 m high from rest. (a) What is its angular momentum about its center when it is half way down the hill? (Enter the magnitude in kg · m2/s.) 90.4 Incorrect: Your answer is incorrect. kg · m2/s (b) What is its angular momentum about its center when it is at the bottom? (Enter the magnitude in kg · m2/s.)
A spherical boulder of mass 147 kg and radius 26 cm rolls without slipping down a...
A spherical boulder of mass 98.1 kg and radius 22 cm rolls without slipping down a hill 13 m high from rest. (a)What is its angular momentum about its center when it is half way down the hill? Ans: 82.4 kg. m2/s (b)What is its angular momentum about its center when it is at the bottom? Ans: 116 kg. m2/s please show work thank you
A cylinder of mass 11.0 kg and radius 0.260m rolls without slipping on a horizontal surface. At a particular instant, its center of mass has a speed of 7.30 m/s. Its rotational kinetic energy about its center of mass is then 147J. a) What is in kg m2 its moment of inertia about its center of mass? b) What is in J its linear kinetic energy at that instant? c) What is in J its total kinetic energy at that...
A 3 kg hollow sphere with a radius of 15 cm rolls without slipping down a rough incline of 35 angle. If the sphere rolls from rest, from a height of 45 cm, determine its angular speed at the bottom of the incline.
A solid sphere of mass 1.5 kg and radius 15 cm rolls without slipping down a 35° incline that is 7.9 m long. Assume it started from rest. The moment of inertia of a sphere is given by I = 2/5MR2. (a) Calculate the linear speed of the sphere when it reaches the bottom of the incline. (b) Determine the angular speed of the sphere at the bottom of the incline.
A solid disk (radius R=2.5 cm , mass M =0.35 kg) rolls without slipping down an 30 degree-incline. If the incline is 4.2 m long and the disk starts from rest, what is the linear velocity of its center of mass at the bottom of the incline (in m/s)?
A 1.9 m radius cylinder with a mass of 531.1 kg rolls without slipping down a hill which is 56.5 meters high. At the bottom of the hill, what fraction of its total kinetic energy is invested in rotational kinetic energy?
A 1.2 m radius cylinder with a mass of 8.8 kg rolls without slipping down a hill which is 5.7 meters high. At the bottom of the hill, what percentage of its total kinetic energy is invested in rotational kinetic energy?
A 1.2 m radius cylinder with a mass of 5.9 kg rolls without slipping down a hill which is 8.2 meters high. At the bottom of the hill, what fraction of its total kinetic energy is invested in rotational kinetic energy?
A hollow spherical shell with mass 2.50 kg rolls without slipping down a slope that makes an angle of 33.0 degrees with the horizontal. If g=-9.8m/s^2, find the magnitude of the acceleration of the center of mass of the spherical shell and the magnitude of the frictional force acting on the spherical shell.