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1. What is the rotational analog to Newton's second law (F=ma)?
2. A point mass is rotating about a rotation axis. You increase its distance from that axis by a factor of two. By what factor does its moment of inertia about the axis increase?
3. A solid disk is rotating about an axis with uniform angular velocity. Another disk (with the same moment of inertia about the rotating axis)is dropped on top of it, so that afterwards the two disks are rotating together at a new uniform angular velocity. How is the new angular velocity related to the old one?
Two resistors, 48.8 and 60.5?, are connected in parallel. The current through the 60.5-? resistor is 3.72A, What is the total power supplied to the two resistors
A large tank of water is full and has a depth of 10.0 m. What is the pressure at the bottom of the tank
A piece of copper wire has a resistance per unit length of6.1510-3?/m. Find the magnetic field strength at the center of the coil
A 2.41 kg block and a 4.82 kg block are initially at rest on a frictionless, horizontal surface, with a compressed spring of negligible mass between them. How much does the kinetic energy of the system increase
A meteorologist tracks the movement of a thunderstorm with Doppler radar, What is the direction of the average velocity of the storm
A rectangular block of ice 14.0 m on each side and 1.4 m thick floats in sea water. The density of the sea water is 1025 kg/m3. The density of ice is 917 kg/m3.
Bohr Model An electron is in the n=5 state of hydrogen to what states can the electron make transitions, what are the energies of the emitted radiations
If a particle of mass 4.9 kg is moving east at 10 m/s and a particle of mass 19 kg is moving west at 10 m/s, what is the velocity of the center of mass of the pair
A 4.3-kg solid sphere, made of metal whose density is 4700 kg/m3, is suspended by a cord. Find the density of the liquid
The force vector A has a magnitude of 75.0 newtons (N) and points due east. The force vector B has a magnitude of 138 N and points 75.6 ° north of east. Find the (a) magnitude and (b) direction of A - B
A parallel plate capacitor of capacitance 7.2 µF has the space between the plates filled with a slab of glass with ? = 3.5. Find the capacitance after the glass is removed
The output voltage of an AC generator is given by ?v = (200 V) sin (70?t). The generator is connected across a 19.0-? resistor. Find the power delivered to the resistor
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