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Question: Economists' idea of equilibrium borrows a lot from physics. Let's push the physics metaphors a bit further. Here, we focus just on the supply side. For each set of words in brackets, circle the correct choice:
a. When the government subsidizes an activity, resources such as labor, machines, and bank lending will tend to gravitate [toward/away from] the activity that is subsidized and will tend to gravitate toward/away from activity that is not subsidized.
b. When the government taxes an activity, resources such as labor, machines, and bank lending will tend to gravitate [toward/away from] the activity that is taxed and will tend to gravitate toward/away from activity that is not taxed.
An amount Q of energy is supplied to a machine. The machine does useful work W and an amount R of energy is wasted. Which one of the following is a correct expression for the efficiency of the machine?
question what is the charge on the cavity wall and on the outer surface?an isolated conductor has net charge 1010-6 c
The image of a tree on a 35 mm color slide is 1.9 mm high. It is to be projected onto a screen 6 m from the slide, and is to appear 409 mm high. What is the magnification of the system
a ring of radius 5.5 cm is fixed in place and carries a charge of 5.00 microc uniformly spread over its circumference.a
A puck of mass 80.0 g and radius 4.30 cm slides along an air table at a speed of 1.50 m/s, What is the Angular Speed about the center of mass
In the figure above the mass to the spring is 0.2 kg. The spring's constant is 60 N/m. The mass is stretched to a position of 0.5 m and released. What is the work done by the spring
A straight 2.30 wire carries a typical household current of 1.50 (in one direction) at a location where the earth's magnetic field is 0.550 gause from south to north. Find the magnitude of the force that our planet's magnetic field exerts on this c..
At a distance r away from a point charge q the electric potential V = 500.0 V and the electric field has a magnitude of 220.0 N/C
The rod with mass m is sliding with velocity v on the contacts. The B field is going through the page. Find the acceleration of the rod and the currents through the circuit
Set the initial position to +48m and the initial velocity to zero. Try different negative accelerations. How does the change in velocity each second relate to the acceleration?
You push your physics book 1.70{\rm m} along a horizontal tabletop with a horizontal push of 2.80{\rm N} while the opposing force of friction is 0.700{\rm N}
A Carnot engine has a power output of 240 kW. The engine operates between two reservoirs at 9 C and 661 C. How much thermal energy is absorbed each hour
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