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a string is wound on a uniform metallic ring which can rotate about an axis through its center. The mass of the ring is 2.0 kg and its radius is 22 cm. The string is pulled with a force of 25 Newtons. If the ring is initially at rest, what are its angular velocity and angular displacement after 8 seconds?
To focus a camera on objects at different distances, the converging lens is moved toward or away from the film, Over what distance must the lens be movable
What is the formula for finding tension. The problem is there are 3 objects, M1=M2=M3, all of them are connected by rope. How much tension is on the rope in between M1 and M2
A glass tube that is bent into a rectangular "U". Find an expression for the difference in the height h between the tops of the liquid columns when (a) the tube has linear acceleration a in the direction of the x-axis, (b) when the tube has uniform a..
a spring with k 2500 nm is fixed vertically to the floor. a 10.0-kg box is pressed down on the spring such that the
A "1m" mercury germicide lamp emits 50 Watt of 0.2537?m light through its quartz tube. compute the frequency of this light
A crate is hanging from a rope which is attached to a metal ring through which a second rope runs. What is the angle if the tension in rope 1 is 1.30 times the tension in rope 2
A chair of mass 10.5 kg is sitting on the horizontal floor; the floor is not frictionless. You push on the chair with a force F = 44.0 N, calculate the normal force that the floor exerts on the chair
An average force of 201 N is exerted to draw the string back 1.3 m. unless otherwise directed, imagine that air resistance is negligible. Illustrate energy bar graphs to solve the difficulty .
A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 19.0 m/s. With what speed and angle of impact does the stone land
a 1.0cm -tall candle flame is 2.0m from a wall. you happen to have a lens with a focal length of 42cm . a how many
The tub of a washer goes into its spin cycle, starting from rest and gaining angular speed steadily for 7.00 s, Through how many revolutions does the tub turn while it is in motion
4.3 moles of Hydrogen gas initially at Standard Temperature and Pressure. What is the change volume of the gas during this process
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