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A compound absorbs at 500 nm with a halfwidth of 500 cm-1 and maximum molar extinction of 4x10^4M-1 cm-1.
(a) What is the oscillator strength?(b) What is the excited state rate of emission (A)?(c) What is the excited state radiative lifetime?
What is the new acceleration of box
A 1500 -kg automobile travels at a speed of 75 -km/h along a straight concrete highway. Faced with an emergency situation, the driver jams on the brakes, and the car skids to a stop.
A ball is released from the top of a cliff; it hits the ground 1.1 seconds later. how many meters is the cliff above the ground below
A 3 kg object id released from rest at a height of a 5 meter curved frictionless ramp. At the foot of the ramp is a spring force constant of k= 400n/m the object slides down the ramp and onto the spring compressing it to the distance x before comi..
Hydrogen under p = 5 atmospheres and T = 20 C is warmed isobarically until its volume increases from 1 to 2 liters. Calculate the absorbed heat.
A coin slides over a frictionless plane and across an xy coordinate system from the origin to a point with xy coordinates (1.4 m, 5.7 m) while a constant force acts on it. How much work is done by the force on the coin during the displacement
A student drops two metallic objects into a 120-g steel container holding 150 g of water at 25°C. One object is a 230-g cube of copper that is initially at 85°C, What is the mass of the aluminum chunk
A flywheel turns through 26 rev as it slows from an angular speed of 1.3 rad/s to a stop. What is its angular acceleration
A 16.5 kg gold bar at 27 °C is placed in a large, insulated 0.800 kg glass container at 15°C with 2.00 kg of water at 25.0°C. Compute the final equilibrium temperature.
If the rms electric field of this light is 18.0N/C at a distance of 1.50m from the bulb, what is the average total power radiated by the bulb
A child goes down a playground slide with an acceleration of 1.22. Find out the coefficient of kinetic friction between child and slide if the slide is inclined at an angle of 31.0 below the horizontal.
A 5* 10^2 kg hot air balloon takes off from rest at the surface of the earth. The non conservative wind and lift forces take the balloon up, doing +9.70*10^4J of work on the balloon in the process. At what height above the surface of earth does th..
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