What are the frequency and the energy of a photon
The bright yellow light emitted by a sodium vapor lamp consists of two emission lines at 589.0 and 589.6 nm. What are the frequency and the energy of a photon of light at each of these wavelengths? What are the energies in kJ/mol?
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An RL series circuit has R = 79.0 Omega and L = 1.95 mH. The series combination is connected across a 170 V (rms), 59 Hz power supply. A Find the phase angle.?
The upper half of the container holds steam (of density 5kg/m^3) while the lower half contains water (of density 1000 kg/m^3). What fraction of the overall mass is steam?
An experiment was performed using HCl. We wrote down the molarity on the bottle and then used a pH meter to find the pH. From the pH we then calculated the [H+] (hydrogen ion concentration) from the pH that we measured.
Let X be the number of teams from SD on Pete's season schedule. What's the probability that none of the Pete's opponents are from SD? What distribution and parameter(s) are you using?
Based upon a comparison of the calculated and measured average temperatures, which planet is most affected by radiation transfer in its atmosphere?
Let A be the number of rounds until Lionel wins his first stuffed animal. What is the distribution and parameters of A? Also, find the expected value and variance of A.
There are 40 students in an elementary statistics class. On the basis of years of experience, the instructor knows that the time needed to grade a randomly chosen first examination paper is a random variable with an expected value of 6 min and a s
Find the peak magnetic field in an electromagnetic wave whose peak electric field is 240 N/C.
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Which of the following best describes the rationale of those public officials who are promoting the policy referenced in the title of the Texas Tribune article?
Problem: Political messaging and how a policy is framed to one's supporters and to the general public are important.
What are 2 or 3 advantages of conducting policy evaluations in criminal justice? What is the significance of policy research in policy evaluation?
What is society's goal for unions? To limit individual employees' bargaining power To ensure that workers have a voice in how they are treated
How can grassroots movements and community-led initiatives drive change in addressing environmental injustices, and what strategies have proven
The control model is based on strict authority and rigid rules. It emphasizes discipline, surveillance, and limited privileges for inmates.
Question: Which of the following statements illustrates the impact of the reform era (1900-1920) on US political parties?