Calculate the image distance and magnification
A diverging lens has a focal length of -32 cm. An object is placed 27 cm in front of this lens. Calculate (a) the image distance and (b) the magnification
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A river has a steady speed of 0.461 m/s. A student swims upstream a distance of 1.00 km and swims back to the starting point. Intuitively, why does the swim take longer when there is a current?
Gas is confined in a tank at a pressure of 1.0 X 10^8 Pa and a temperature of 15.0 C. If half the gas is withdrawn and the temperature is raised to 65.0 C, what is the new pressure in the new tank in Pa?
An RL circuit consists of a resistor R=68 Onμσ, an inductor, L=31 mH, and an ac generator with an rms voltage of 120 V. At what frequency will the rms current in this circuit be 1.5 A?
Two nanow wires are separated by 1.2 nm as measured by STM. Inside the wires the potential energy is zero, but between the wires the potential energy is greater than the electron's energy by only 1.4 eV. Estimate the probability that the electron
A nearsighted person wears contacts to correct for a far point that is only 3.24 m from his eyes. The near point of his unaided eyes is 25.0 cm from his eyes. If he does not remove the lenses when reading, how close can he hold a book and see it c
An open hemispherical surface of radius 0.0875 m is in a magnetic field of 0.1356 T. The circular cross-section of the surface is perpendicular to the direction of the field. Calculate the magnetic flux through the surface. Answer in units of Tm^2
A four-cylinder spark ignition engine has a compression ratio of 8, and each cylinder has a maximum volume of 0.6L. Determine the amount of heat supplied per cylinder (kJ).
A scientist claims to have developed a new method of isolating individual particles, which will enable him to detect their radial position to within 0.20 nm and their radial momentum to within 10 eV/c, simultaneously. Discuss the possibility of hi
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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?