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In a pure rotational spectrum of HS radical (eq bond length r=1.40 Angstroms) you notice that the most intense absorption corresponds to J=8-->9 transition. Estimate the sample temperature.
You can ignore friction between the sled and surface of the pond. Use the work-energy theorem to find the speed of the sled at 3.00 m.
An object of mass 279.948159 g executes SHM with an amplitude of 15.523567 cm and a period 26.969187 s. Find the force acting on the object at time 1.403065 s
What is Johns resultant displacement
An archer puts a 0.34 kg arrow to the bowstring. An average force of 209 N is exerted to draw the string back 1.3 m. Unless otherwise directed, assume that air resistance is negligible. plan energy bar graphs to solve the problem.
Firemen are shooting a stream of water at a burning building. A high-pressure hose shoots out the water with a speed of 23.0m/s as it leaves the hose nozzle. Find the angle of elevation of the hose
What is the resolving power of the objective if it is used in an oil-immersion microscope with n oil = 1.45
A fire in an enclosure has reached flashover, & the gas temperature is assumed to be uniform at 1000oC. The enclosure has an opening 3 m wide & 2 m high. Find the position of the neutral layer, measured from the bottom of the opening.
Nichrome wire of cross-sectional radius 0.758 mm is to be used in winding a heating coil. find the length of wire you must use to wind the coil
An undamped 1.16-kg horizontal spring oscillator has a spring constant of 38.9 N/m. While oscillating, it is found to have a speed of 3.18 m/s as it passes through its equilibrium position. What is its amplitude of oscillation
Consider the mass on aspring system in Figure P11.20. Three identical springs, What is the frequency of this simple harmonic oscillator
find static friction between the chair and the floor.
An undersea research chamber is spherical with an external diameter of 4.60m . The mass of the chamber, when occupied, is 51100kg. What is the buoyant force on the chamber
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