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A fly wheel in the form of a heavy circular disk of diameter 0.600 meter and mass 200 kilogram is mounted on a frictionless bearing. A motor connected to the fly wheel accelerates it from rest to 1 000 rev/min. Obtain how much work is done on it during this acceleration?
1) Find the net force acting on particle 3 due to the presence of the other two particles. Report you answer as a magnitude and a direction measured from the positive x axis.
two spherical objects are separated by a distance that is 1.80 10-3 m. the objects are initially electrically neutral
A technician wraps wire around a tube of length 37 cm having a diameter of 8.3 cm. If the current in this solenoid increases at the rate of 2 A/s, what is the self-induced emf in the solenoid
A sample of an unknown material appears to weigh 290 N in air and 155 N when immersed in alcohol of specific gravity 0.700. What is the volume of the material
A 2.0 kg block is pushed against a horizontal spring and released. The spring sends the block sliding across a tabletop. find the distance to which the spring was initially compressed
A 1,216-kg car drives through a turn with radius 42 m. The coefficient of static friction is 0.9 and the coefficient of kinetic friction is 0.52. find the maximum speed (constant) at which the car can negotiate the turn
Constructive interference occurs when a soap bubble reflects light of wavelength 430 nm. What is the minimum thickness of the bubble
Compare these two ratings by determining the ratio of energy.
an object fired at an angle of 36.5 degrees above the horizontal takes 1.58 s to travel the last 16.5 m of its vertical distance and the last 12.8 m of its horizontal distance
Find the Center of Mass of hammer which has an iron head of 0.5 kg and a wooden handle of 0.1 kg. To simplify the calculation suppose that the head has the shape of a cuboid of dimensions 1/6 m x 2 cm x 2 cm. suppose similarly that the handle is a c..
A physical pendulum is made by drilling a hole through a uniform wooden disk of radius R a distance (alpha)*R from the disk's center. What must alpha be to miniumze the disk's period of oscillation
A 150g ball and a 250g ball are connected by a 34cm long, massless, rigid rod. The balls rotate about their center of mass at 130 . what is the speed of ball of 150 g.
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