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A cylindrical pulley with a mass of 6.2 kg, radius of 0.677 m and moment of inertia 12 M r2 is used to lower a bucket with a mass of 2.3 kg into a well. The bucket starts from rest and falls for 4.2 s. What is the linear acceleration of the falling bucket? The acceleration of gravity is 9.8 m/s2. Answer in units of m/s2.
Standing on a balcony, you throw your keys to a friend standing on the ground below. What initial velocity did you give them
An object is placed 6 cm from a convex spherical mirror by a focal length of 3 cm. Estimate where the image is located and what its characteristics are. Where is the image located? -----cm Is it real or virtual? Is it upright or inverted?
A charged particle enters a uniform magnetic field and follows the circular path shown in the drawing. The particle's speed is 115m/s, the magnitude of the magnetic field is 0.719 T, and the radiusof the path is 656 m. Determine the mass of the parti..
An RLC circuit consists of a 48 ohm resistor, 240 micro farad capacitor, and an inductor. What is the inductance
The nucleus 11-4 Be undergoes B- decay with a half-life of 13.8 sec. The atomic mass of 11-4 Be is 11.021660 u. What is the total kinetic energy of the decay products
A skier is gliding along at 3.09 m/s on horizontal, friction less snow. He suddenly starts down an 11.9 degree incline. Calculate the length of the incline
what is the velocity of plane with respect to the ground. A nonconducting sphere has radius R = 2.53 cm and uniformly distributed charge q = +6.00 fC. Take an electric potential at the sphere's center to be V0 = 0.
When a tuning fork of frequency 500 Hz is held above a tube, resonances are found when the water level is at distances 16.0, 50.5, 85.0, and 119.5 cm from the top of the tube. (a) Find the speed of sound in air.
A 0.200 kg plastic ball moves with a velocity of 0.30 m/s. Itcollides with a second plastic ball of mass 0.100 kg, What is the new velocity of the first ball
A microphone is undergoing simple harmonic motion (SHM) above a 440-Hz sound source, determine the amplitude of the simple harmonic motion
A model of a golf ball is to be studied to determine the effects of the dimples. A sphere 10 times larger than an actual golf ball is used in the wind tunnel study. What speed should be selected for the model to simulate a prototype speed of 50 m=..
A very long, straight solenoid with a cross-sectional area of 5.75cm^2 is wound with 36 turns of wire per centimeter, What is the average induced emf in the secondary coil
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