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The angular speed of a rotating disk is 0.75 rad/s. What is the frequency of the rotation? (show formulas used)
A series RCL circuit includes a resistance of 520 ohms, an inductance of 166 mH, and a capacitance of 500 nF. There is an alternating current of 660 Hz. What is the phase angle of the circuit
A 140kg- tackler moving at 2.3 m/s meets head-on (and tackles) an 99 kg- halfback moving at 7.0 m/s. What will be their mutual speed immediately after the collision
The escape velocity of a bullet from the surface of planet Y is 1599.0 m/s. Calculate the escape velocity from the surface of the planet X
A person with mass m1 = 60 kg stands at the left end of a uniform beam with mass m2 = 91 kg and a length L = 3.2 m, What is the location of the center of mass of the system
The magnitude of the force exerted by a spring is given by F = kx where x is the amount of stretching/compressing of the spring. What must be the units associated with k expressed in terms of fundamental SI units?
A torque of 12 N * m is applied to a solid, uniform disk of radius 0.50 m. I f the disk accelerates at 5.6 rad/s^2, what is the mass of the disk
A person is 1.4 m tall, and is standing at 2.0 m in front of a plane mirror. What is the minimum length of the mirror if the person is now 3.5 m from the mirror
An MP3 player operates with a voltage of 3.7 V, and is using 0.21 W of power. Find the current being supplied by the player's battery
A 30.0-kg object has a drag force with a magnitude proportional to the square of its speed. What is its terminal velocity
Block A of mass 3 kg slides into block B of mass 2 kg. Before collision, block A moves to the right with speed 10 m/s and block B is stationary, what is the kinetic energy change for the system
The filament in a light bulb has a resistance of 10?. If the filament has a cross sectional area of 3.0×10-6 m2 and the length of the filament is 5mm. Find the resistivity of the filament
A baseball is thrown from the roof of 20.4m -tall building with an initial velocity of magnitude 13.9m/s, What is the speed of the ball just before it strikes the ground
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