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In this activity we will use conservation of energy to determine the moment of inertia, I, of objects undergoing rotational motion. The moment of inertia is a property of a rotating body that depends both upon the mass of the object and the orientation of that mass with respect to the axis of rotation. We will be using a disk (I = 1 2MR2) and a ring (I = MR2). Each will be placed on a turntable that rotates on a spindle of radius r as shown in the diagram below. Initially, the system has only potential energy. When the hanging object is released, potential energy is converted into kinetic energy
Where is the kinetic energy?
What types of kinetic energy are present?
Using your knowledge of kinematics, write an equation for the average velocity of the falling object in terms of things you can measure.
Consult to explore a model for solving this problem. A person pushes on a 60-kg refrigerator with a horizontal force of -250 N; the minus sign indicates that the force points in the -x direction. The coefficient of static friction is 0.66. If the ..
Suppose that while moving into an apartment you move a refrigerator into place by sliding it across the floor. What is the least force you could exert on the refrigerator to move it
Carol and robin share a house. to get to work carol walks north 1.5 km while robin drive west 7.5 km. How far part are their work place
in a cookbook a poultry thawing chart states that a 10-kg turkey takes 4 days to defrost in a refrigerator. estimate
A boy of mass 30.3 kg, jumps off a diving platform2.38 m high. He lands in the water and goes under a distance1.48 m, before he stops. What is the boy's velocity when he hits the water
a wrecking yard inventor wants to pick up cars by charging a 0.400 m diameter ball and inducing an equal and opposite
a large metal sheet of thickness l is placed between and parallel to the plates of the parallel-plate capacitor of the
Block B in the figure weighs 760 N. The coefficient of static friction between block and table is 0.28; angle ? is 27°; Find the maximum weight of block A for which the system will be stationary
A person pushes a 16.0 kg shopping cart at a constant velocity for a distance of 30.0 m. She pushes in a direction 26.0° below the horizontal. Determine the work done by the gravitational force
Suppose the skin temperature of a naked person is 34 °C while the person is standing inside a room whose temperature is 25 °C. The skin area of the individual is 2 m2.
On a summer day, the air conditioning breaks down and the air inyour classroom becomes very warm and muggy with a vapor pressure of20 hPa and a temperature of 25 degree Celsius. what is the virtul temperature of the air?
A very massive object, almost infinitely massive, moving with a velocity V1=100m/s hits a very light object ("massless") at rest. What is the final velocity of the very light object
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