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A solid band of rubber, which has a circular cross section of radius 0.25 cm, is stretched a distance of 3.8 cm by a force of 82 N. Calculate the original length of the cylinder of rubber. The Young's modulus for rubber is 0.005 x 109 N/m2.
As a summer intern for a microscope company, you are designing a compound microscope for a client that provides you with the following information. determine the barrel length needed for the microscope
Light traveling in air is incident on the surface of a block of plastic at an angle of 61.0degree to the normal and is bent so that it makes a 46.5 degree angle with the normal in the plastic. Find the speed of light in the plastic.
A test rocket is launched, starting on the ground, from rest, by accelerating it along an incline with constant acceleration "a", what is the position vector when the rocket is at its highest point
If there is 1 kg of Cm-242 initially, what is the activity of Cm-242 after 4 years? Assuming zero Pu initially, what is the Pu-238 activity at the end of the 4 year period?
At a recent rock concert, a dB meter registered 114 dB when placed 1.00 m in front of a loudspeaker on the stage. What was the power output of the speaker, assuming a hemispherical radiation of the sound and neglecting absorption in the air?
A water molecule can vibrate in various ways, but the easiest kind of vibration to excite is the "flexing" mode in which the hydrogen atoms move toward and away from each other by HO bonds do not stretch.
a a student hangs a mass of 150 g on a force table at an angle of 150deg. if she then hangs a mass of 220 g at 270deg
A 5.0kg block is put on top of a 6.5kg block. To cause the top block to slip on the bottom one, while the bottom one is held fixed, Find the resulting acceleration of the blocks
A sample of an unknown material appears to weigh 260 N in air and 200 N when immersed in alcohol of specific gravity 0.700. Evaluate what is the density of the material
A horizontal pipe 17.0 cm in diameter has a smooth reduction to a pipe 8.50 cm in diameter. at what rate does water flow through the pipes
The harmonic oscillator can be used as a model for the vibrational motion of a diatomic molecule. Describe the vibrational spectrum that is predicted by the harmonic oscillator model. In what region of the electromagnetic spectrum will the spectru..
An excavation crew digs a hole in the ground measuring 60 yd x 50yd x 8 yd to facilitate a basement for an office building. Five dump trucks, each with a capacity of 20 yd3, are utilized to haul the material away. How many trips should each truck mak..
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