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To stir a mixture of liquids consistently and gently, abiologist designs a simple mechanical system consisting of ahorizontal spring attached to a beaker on the slippery Teflonsurface. She pours two liquids with a total mass of 100-ginto the beaker, which has a mass of 50.0-g. She then pullson the beaker, stretching the spring. On releasing the beakerfrom rest (t=0), she sets the system in motion with an amplitude of5.00-cm. To avoid spilling and to promote gentle mixing, thefrequency is designed to be exactly 0.300-Hz.
(a) What is the required spring constant?
(b) What is the displacement of the beaker from equilibrium attime t=2.00s?
(a) Calculate the lowest energy of the electron in He+. Is it lower than that of H.(b) If this electron absorbs a photon and makes a transition to the 2p orbital, what is the frequency of the absorbed photon
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question1a bridge truss extends 200m across a river. the structure is free to slide horizontally to permit thermal
Scientists want to place a 3400.0 kg satellite in orbit around Mars. They plan to have the satellite orbit a distance equal to 2.4 times the radius of Mars above the surface of the planet. Here is some information that will help solve this problem..
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reneacute descartes is often called the father of modern philosophy. born into the french aristocracy in 1596
Can the atoms in a liquid helium at 4K (interatomic distance about 0.1 nanometer) be adequately represented by nonspreading wave packets, so that their motion can be described classically.
An electric field of 9.45 105 V/m is desired between two parallel plates, each of area 37.0 cm2 and divided by 2.45 mm of air. What charge must be on each plate.
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