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The new blade on my table saw has a radius of 15.0 cm. My table saw has a maximum speed of 3750 rpm. If it takes 2.50 seconds to get up to this final speed, what is the tangential velocity of the tip of the saw blade, and how many revolutions does it pass through in that amount of time?
Consider an infinite solenoid of radius R, n turns per unit length, and current I. Calculate the final cinetic moment of each of the cylinders
A horizontal spring with k = 72N/m has one end attached to a wall and the other end free. find maximum spring compression
A 5.0 deep swimming pool measures 30 by 16. What force does the water exert on the bottom of the pool
A 3.80-mm-wide bolt is viewed with a9.30-cm-focal-length lens. A normal eye views the image at its near point. Calculate the angular magnification
When we look at a particular star, we are seeing it as it was 878 years ago. How far away from us (in meters) is the star
A farsighted person can read printing as close as 25.0 cm when she wears contacts that have a focal length of 44.6 cm. What is the maximum angular magnification that the magnifying glass can provide for her
A ball of mass 1.7 kg hangs at the end of a string 1.2 m in length from the ceiling of a room. The height of the room is 4.0 m. What is the gravitational potential energy of the ball relative to the ceiling
The pulley system is used to lift a 61 kg crate. Note that one chain connects the upper pulley to the ceiling and a second chain connects the lower pulley to the crate. The crate is rising with an acceleration of 2.4 m/s2. Assume the masses of the ch..
Two converging lenses, each of focal length 14.5 cm, are placed 59.2 cm apart, and an object is placed 27.4 cm in front of the first. Where is the final image relative to the second lens formed
a marble column of a cross sectional area 1.5 m^2 suports a mass of 24000 kg, what is the stress within the ciolumn? N/m^2
If the merry-go-round completes one revolution every 5.2 s, find out the angular speed and the linear speed of each child.
Why is it better for some purposes to use a medium size telescope on a mountain instead of a telescope in space?
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