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A period of 6.00 s is observed for the angular oscillations of a 4-oz Review Problems gyroscope rotor suspended from a wire as shown. Knowing that a period of 3.80 s is obtained when a 1.25-in.-diameter steel sphere is suspended in the same fashion, determine the centroidal radius of gyration of the rotor. (Specific weight of steel
particles in a gold ring. you have a pure 24-karat gold ring with mass 15.0 g. gold has an atomic mass of 197 gmol and
A 0.80 kg ball and a 4.20 kg ball are connected by a 78.0 cm long massless, rigid rod. The structure rotates about its center of mass at 250 rpm. What is the rotational kinetic energy of the structure?
A proton is released from rest at the origin in a uniform electric field in the positive x direction with a magnitude 850 N/C. What is the change in the electric potential energy of the proton-field system when the proton travels to x = 2.5 m?
if an acoustic wave from an echo sounder on a ship take .30 seconds to reach the sea-floor and reflected wave returns to the boat in .30seconds how deep is the water.
Relativistic reversal of events. Figures 37-25a and b show the (usual) situation in which a primed reference frame passes an unprimed reference frame, in the common positive direction of the x and x' axes, at a constant relative velocity of magnit..
What is the phase angle in a series LRC cicuit with L= 50 mH, R=20ohms, C=100mF? The rms applied voltage is 120 Volts at 60 Hz, How much power is dissipated in the resistor
A circuit consists of one DC power supply providing 20 V and four resistors R1 = 10 Ohm, R2 = 20 Ohm, R3 = R4 = 40 Ohm. Calculate the total power provided by the power supply
Thirteen resistors connected across points A and B as shown in the figure. If all the resistors are accurate to 2 significant figures, what is the equivalent resistance between points A and B?
A nearsighted person cannot see objects clearly beyound 30cm(the far point). what is the power of the lens to correct the patients vision
An aluminum cylinder with radius 1.7 cm and length 17 cm is heated to 340 °C. Find the net power this cylinder radiates into a room at 24 °C
A fighter jet is launched from an aircraft carrier with the aid of its own engines and a steam-powered catapult. What is the work done on the jet by the catapult
A satellite orbits a planet of unknown mass in a circle of radius 2.3 x 107 m. The magnitude of the gravitational force on the satellite from the planet is F = 89 N. What is the kinetic energy of the satellite in this orbit
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