A car with a total mass of 1.37 103 kg has wheels of radius 34.0 cm...
A car with a total mass of 1.37 103 kg has wheels of radius 34.0 cm and moment of inertia 0.785 kg · m2. (a) Find the car's translational kinetic energy when the car is moving at a speed of 28.5 m/s. (b) Find the car's rotational energy when the car is moving at a speed of 28.5 m/s.
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A car with a total mass of 1.37 103 kg has wheels of radius 34.0
cm...
A baseball has a mass of 0.15 kg and radius 3.7 cm. In a baseball game,...
A baseball has a mass of 0.15 kg and radius 3.7 cm. In a baseball game, a pitcher throws the ball with a substantial spin so that it moves with an angular speed of 30 rad/s and a linear speed of 39 m/s. Assuming the baseball to be a uniform solid sphere, determine the rotational and translational kinetic energies of the ball in joules. KE rotational = .012034 x What is the moment of inertia of a solid sphere?) KEtranslational...
16.155 The total mass of the Baja car and driver, including the wheels, is 250 kg....
16.155 The total mass of the Baja car and driver, including the wheels, is 250 kg. Each pair of 58-cm radius wheels and the axle has a total mass of 20 kg and a mass moment of inertia of 2.9 kg?m2. The center of gravity of the driver and Baja body (not including the wheels) is located x 5 0.70 m from the rear axle A and y 5 0.55 m from the ground. The wheelbase is L 5 1.60...
A 811 kg car has four 13.1 kg wheels. When the car is moving, what fraction...
A 811 kg car has four 13.1 kg wheels. When the car is moving, what fraction of the total kinetic energy of the car is due to rotation of the wheels about their axles? Assume that the wheels have the same rotational inertia as uniform disks of the same mass and size. Number No units 0.0323 Units the tolerance is +/-2% Open Show Work Click if you would like to Show Work for this question:
A sphere of radius r =34.5 cm and mass m = 1.80 kg starts from rest...
A sphere of radius r =34.5 cm and mass m = 1.80 kg starts from rest and rolls without slipping down a 30.0∘ incline that is 10.0 m long. Calculate its translational speed when it reaches the bottom. Calculate its rotational speed when it reaches the bottom. What is the ratio of translational to rotational kinetic energy at the bottom?
A sphere of radius r =34.5 cm and mass m = 1.80 kg starts from rest...
A sphere of radius r =34.5 cm and mass m = 1.80 kg starts from rest and rolls without slipping down a 30.0∘ incline that is 10.0 m long. Calculate its translational speed when it reaches the bottom. Calculate its rotational speed when it reaches the bottom. What is the ratio of translational to rotational kinetic energy at the bottom?
Moment of Inertia or Rotational Inertia. A solid cylinder has mass 25kg with radius 60 cm...
Moment of Inertia or Rotational Inertia. A solid cylinder has mass 25kg with radius 60 cm (a) Find its moment of inertia. (b) if the cylinder has a linear speed is 7.7ms, what is the magnitude of the angular momentum of the cylinder? (b) If the cylinder has a linear speed is 7.7m/s, what is the magnitude of the rotational kinetic energy of the cylinder?
A car with mass MC = 1.26 x 103 kg runs into the back of a...
A car with mass MC = 1.26 x 103 kg runs into the back of a truck with mass MT = 3.23 x 103 kg that is initially at rest. Immediately after the collision, the car is moving with a speed of 1.09 m/s and the truck is moving with a speed of 3.29 m/s, both in the direction the car was initially traveling. What is the total kinetic energy lost in the collision? (Of course, the change in energy...
The four wheels of a car are rotating with an angular velocity of 6.04 rad/s and...
The four wheels of a car are rotating with an angular velocity of 6.04 rad/s and each wheel has a moment of inertia of 15.1 kg*m^2. What is the total rotational kinetic energy of the four wheels?
The oxygen molecule, O2, has a total mass of 5.30×10-26 kg and a rotational inertia of...
The oxygen molecule, O2, has a total mass of 5.30×10-26 kg and a rotational inertia of 1.94×10-46kg-m2 about an axis perpendicular to the center of the line joining the atoms. Suppose that such a molecule in a gas has a speed of 1.48×102m/s and that its rotational kinetic energy is two-thirds (2/3) of its translational kinetic energy. Find its angular velocity.
A cylinder of mass 11.0 kg and radius 0.260m rolls without slipping on a horizontal surface....
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 baseball has a mass of 0.15 kg and radius 3.7 cm. In a baseball game, a pitcher throws the ball with a substantial spin so that it moves with an angular speed of 30 rad/s and a linear speed of 39 m/s. Assuming the baseball to be a uniform solid sphere, determine the rotational and translational kinetic energies of the ball in joules. KE rotational = .012034 x What is the moment of inertia of a solid sphere?) KEtranslational...
A 811 kg car has four 13.1 kg wheels. When the car is moving, what fraction of the total kinetic energy of the car is due to rotation of the wheels about their axles? Assume that the wheels have the same rotational inertia as uniform disks of the same mass and size. Number No units 0.0323 Units the tolerance is +/-2% Open Show Work Click if you would like to Show Work for this question:
Moment of Inertia or Rotational Inertia. A solid cylinder has mass 25kg with radius 60 cm (a) Find its moment of inertia. (b) if the cylinder has a linear speed is 7.7ms, what is the magnitude of the angular momentum of the cylinder? (b) If the cylinder has a linear speed is 7.7m/s, what is the magnitude of the rotational kinetic energy of the cylinder?
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