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A student sits on a swivel seat. Initially the student is at rest, holding a spinning bicycle wheel that has an angular velocity of 10.2 rad/s (see figure below). The student turns the spinning wheel upside down, reversing the direction of its angular velocity. This causes the student to begin to rotate. Find the student's final angular velocity. The moments of inertia of the wheel and of the student are 0.317 kg · m2 and 2.67 kg · m2 respectively.
Suppose that the rod is held at rest horizontally and then released. What is the angular acceleration of the rod immediately after it is released
A mass system with a spring constant of 66.0 N/m undergoes simple harmonic motion with a period of 0.628 s. what is the total energy of the oscillation
When rebuilding her car's engine, a physics major must exert 450 N of force to insert a dry steel piston into a steel cylinder at a constant velocity. What is the normal force between the piston and cylinder
question1a soccer player kicks a rock horizontally off of a 40.0m high cliff into a pool of water. if he hears sound of
In a science fiction movie, a 100 g base ball travelling with a speed of 60 m/s and an electron travelling at a speed of 1.2 x 10^7 m/s, What is the momentum of the base ball
On a frictionless table, a glob of clay of mass 0.42 kg strikes a bar of mass 1.98 kg perpendicularly at a point 0.39 m from the center of the bar and sticks to it. At what angular speed does the bar/clay system rotate about its center of mass afte..
question1a 20 rm kg uniform door has a width of 1.2 rm m and a height of 2.5 rm m. the door is mounted on a post by a
A series RLC circuit with a resistance of 280? has capacitive and inductive reactances of 320? and 460? , respectively. What is the power factor of the circuit
The force shown in the attached figure is the net eastward force acting on a ball. The force starts rising at t = 0.020 s, falls back to zero at t = 0.062 s, Find the area of a nearly equally sized triangle
A standing wave on a string is produced when one end is fixed and the other is driven by a 76 Hz oscillator, what is the total length of the string in meters
A spherical balloon has the potential to reach a diameter of 35 cm, what would be the volume of this balloon when it reaches a pressure of 0.75P0 and a temperature of -15°C
What is the propotion of the mass of these excess electrons to the mass of the penny.
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