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1. Compare and contrast the different measurement scales for observed data.
2. Give four examples of variables measured on each of the different scales, beyond the ones given in the discussion above.
The allowed energies of a simple atom are 0.00 eV, 4.25eV , and 6.64eV. What wavelengths appear in the atom's emission spectrum
The surface temperature of the start Betelgeuse is 3500K. Assume Betelgeuse radiates as a perfect blackbody. what is the energy of each of these photons
The exterior walls of a house have a total area of 204 m2 and are at 11.4°C and the surrounding air is at 7.4° C. Find the rate of convective cooling of the walls
A ball of clay weighing 0.5 kilogram is thrown at a pendulum bob at rest weighing 4 kilogram. Determine how high above its initial position does the pendulum swing
an exercise machine indicates that you have worked off 2.5 calories in a minute-and-a-half of running in place. what
a fuse in an electric circuit is a wire that is designed to melt and thereby open the circuit if the current exceeds a
question white light containing wavelengths from 400 nm to 750 nm falls on a grating with 6000 linescm. how wide is the
Waves on a 10 meter rope travel at 19 m/s. You shake the rope back and forth until you get a standing wave with a single antinode. What is the wavelength and frequency of each standing wave
An unknown substance has a mass of 0.125 kg and an initial temperature of 99.4°C. The substance is then dropped into a calorimeter made of aluminium containing 0.285 kg of water initially at 27.6°C. The mass of the aluminium container is0.150 kg, and..
A solid object is made of two materials, one material having density of 2 000 kg/m3 and the other having density of 6 000 kg/m3. what is its average density
Two positive point charges each have a charge of +q and are fixed on the y axis at y = +a and y = -a. (Use the following as necessary: k, q, a, and x.), Find the electric potential at any point on the x axis
Use the Biot-Savart law to find the magnetic field of a wire which is infinitely long, but takes the shape shown below
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