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A) Find the moment of inertia of a mass of 10kg and another mass of 15kg rotating about an axis that is 45 cm from the 10kg mass and 75cm from the 15kg mass. B) Find the radius of gyration of the system
A 16.0-? resistor, a 12.0-µF capacitor, and a 17.0-mH inductor are connected in series with a 170-V generator. At what frequency is the current a maximum
A hydrogen atom initially in its ground state absorbs a photon and ends up in the n=6 state. Calculate the energy of the incident photon
astronaut on the moon fires a projectile from a launcher ona level surface so as to get the maximum range. What is the range of the projectile
You have been charged with operating "the gravitron" at the carnival. What minimum rotation speed should you reach before dropping the floor?
A convex lens produces a real, inverted image of an object that is magnified 2.0 times when the object is 30cm from the lens. What is the image distance of the lens
A uniform rod rotates in a horizontal plane about a vertical axisthrough one end. The rod is 6.00?m long,weighs 11.0?N, and rotatesat 210 rev/min clockwisewhen looked at from above.
In the collision, the atom M1 has a final velocity, V1f= - 0.25 V1j. What is the ratio of the final kinetic energy to the initial kinetic energy of the system (the two atoms)? In other words, what is KEfinal/ KEinitial in this collision?
A bicyclist is finishing his repair of a flat tire when a friend rides by with a constant speed of 3.6 m/s. Two seconds later the bicyclist hops on his bike and accelerates at 2.2 m/s2 until he catches his friend.
What focal length is necessary for a magnifying lens to produce a magnification of 5 for an object 20cm from the lens
A square loop 15.0cm on a side has a resistance of 8.05? . It is initially in a 0.395T magnetic field, Calculate the electric energy dissipated in this process
An electron is moving through a region of space which possessesa uniform electric field and uniform magnetic field. The electricpoint in the positive x direction and has a magnitude of E = 2,500v/m. The magnetic field is pointing in the positive y..
The motion of a particle is given by x(t) = (25cm)cos(15t), where t is in s. At what time is the kinetic energy twice the potential energy
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