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A uniform cylinder, mass M= 12 kg, radius R= .36 m, is initially rotating about a vertical axis through its center at angular velocity wo= 6.6 rad/sec.
A block with a hole through the center can slide in and out along the rod. Initially, a small piece of wax holds the block 10.0 cm from the pivot.
Thomson's Experiment: Instead of turning off the electric field to determine the charge-to mass ratio, Thomson proceeded to switch off the magnetic field
A flywheel initially rotating at a speed of 800 rev/min, is brought to rest with uniform angular deceleration in 6’s
Using the physical conditions present in the universe during the era of recombination (T=3000 and pm=10^-18 kg/m^3)
Determine the magnitude and direction of the resultant linear acceleration of a point A on the flywheel 0.2 s before coming to rest.
A uniform solid sphere of radius 0.500 m and mass of 15.0kg turns counterclockwise about a vertical axis through its center.
Convert the following angles from degrees to radians, to three significant figures: a) 15°, b) 45°, c) 90° and d) 120°.
Prove that the total torque of the ring multiplied by the time interval found in part b is equal to the change in angular momentum, found in part a.
Considering Yukawa's hypothesis that the nuclear force should be due to the exchange of massive particles (that he called mesons)
What is the magnitude of its angular momentum (in kg.m^2/s) relative to the center of the racetrack?
What is the distance from the Earth to the star
Two equal weights of mass M each are connected by a cord passing over a frictionless pulley of mass mp and radius r.
As the drawing shows, a carpenter on a space station has constructed a 30.0 degree ramp. A rocket moves past the space station with a relative speed of 0.73c
How much work is required to bring a 2.00-kg mass, 4.00-cm radius uniform sphere from rest to a rotational speed of 30.0 revolutions per second.
Suppose a 60kg person stands at the edge of a 6.0m diameter circular platform, which is mounted on frictionless bearings.
The basic assumptions behind the Theory of Relativity are that the speed of light in a vacuum is a universal constant and that all motion and perception
A diver can change her rate of rotation in the air by "tucking" her head in and bending her knees. Lets assume that when she is stretched.
A 1.62 oz golf ball with a 1.70 in. diameter is hit by a club at point P. Velocity magnitude of the ball's center of mass is 180 ft/s after the impact.
Suppose electrons with E=13.0 eV approach a potential barrier of height 6.0 eV.
An electron and a proton are each accelerated through a potential difference of 10.0 million volts.
A proton (m=1.67*10^-27kg) is being accelerated along a straight line at 3.6*10^5 m/sec ^2 in a machine. If the proton has an inital speed of 2.4*10^7 m/sec:
In the Tevatron accelerator/storage ring at the Fermi National Accelerator Laboratory, two beams of protons travel in opposite directions each
A uniform cylinder (A) has a mass ( m = 3 kg ), radius ( r = 150 mm ), and can roll without sliding on a cart ( C ) of mass ( M = 5 kg ).
In the past, most experiments in particle physics involved stationary targets: one particle (usually a proton or an electron) was accelerated to a high energy E