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A 2.0 kg bucket is attached to a massless string that is wrapped around a 1.0 kg, 4.0-cm-diameter cylinder. The cylinder rotates on an axle through the center. The bucket is released from rest 1.0 m above the floor. How long does it take to reach the floor?
What are the rocket's horizontal range, greatest height, and total time of flight. The magnitude of the torque of this force on the door with respect to the hinge is most nearly .
An amusement park ride called the Rotor consists of a room in the shape of a vertical cylinder (1.98 m inradius) which, once the riders are inside, begins to rotate,forcing them to the wall. When the room reaches a speed of onerotation every 1.56 ..
A doubly charged helium atom whose mass is 6.6 * 10^- 27 kg is accelerated by a voltage of 2400 V. What is its period of revolution
An 8.00kg package in a mail-sorting room slides 2.00m down a chute that is inclined at 53.0m below the horizontal. Calculate the work done on the package by the normal force
How fast is the shadow of the plane moving along the ground? (That is, what is the magnitude of the horizontal component of the plane's velocity?)
A straight, rectangular cross-sectional fin [k=200w/mdegrees celcius] 3.0 mm thick and 7.5 cm long protrudes from a flat surface.The base of the fin is maintained at 300 celcius and the ambient temperature is 50 celcius.
Two identical conducting spheres, fixed in place, attract eachother with an electrostatic force of -0.6883 N whenseparated by 50 cm, center-to-center. The spheres are thenconnected by a thin conducting wire.
The toadfish makes use of resonance in a closed tube to produce very loud sounds. The tube is its swim bladder, used as an amplifier. The sound level of this creature has been measured as high as 100 dB. (a) Calculate the intensity of the sound wave ..
A person with a near-point distance of 32 cm is able to get a usable magnification of 12 with a particular magnifying glass. What is the friend's near-point distance
A car with a mass of 2000 kg is moving east at 24 m/s. It collides with a truck that weighs 3200 kg moving north at 14 m/s. What is the velocity of the vehicles after the impact
A fighter jet lands on the deck of an aircraft carrier. It touches down with a speed of 70.4 m/s and comes to a complete stop over a distance of 197.4 m, What is the acceleration of the jet
A 0.291-kg volleyball approaches a player horizontally with a speed of 12.2 m/s. What impulse is delivered to the ball by the player
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