(a) What is the direction and magnitude of an electric

College Physics 1
Problem 39PE (a) Find the useful power output of an elevator motor that lifts a 2500-kg load a height of 35.0 m in 12.0 s, if it also increases the speed from rest to 4.00 m/s. Note that the total mass of the counterbalanced system is 10,000 kgso that only 2500 kg is raised in height, but the full

Physics with MasteringPhysics 4
IP Suppose the pendulum bob in Figure 820 has a mass of 0.33 kg and is moving to the right at point B with a speed of 2.4 m/s. Air resistance is negligible. (a) What is the change in the systems gravitational potential energy when the bob reaches point A? (b) What is the speed of the bob at point A?

Fundamentals of Physics 10
Electron in a well. Figure 24- 65 shows electric potential V along an x axis. The scale of the vertical axis is set by Vs 8.0 V. An electron is to be released at x ! 4.5 cm with initial kinetic energy 3.00 eV. (a) If it is initially moving in the negative direction of the axis, does it reach a turnin

Microbiology: An Introduction 11
Spirillum is not classied as a spirochete because spirochetesa. do not cause disease.b. possess axial laments.c. possess _agella.d. are prokaryotes.e. none of the above

Chemistry 11
Predict the precipitate produced by mixing an \(\mathrm{Al}\left(\mathrm{NO}_{3}\right)_{3}\) solution with a NaOH solution. Write the net ionic equation for the reaction.

Principles of Microeconomics 7
Suppose the book-printing industry is competitive and begins in a long-run equilibrium.a.Draw a diagram showing the average total cost, marginal cost, marginal revenue, and supply curve of the typical firm in the industry.b.Hi-Tech Printing Company invents a new process that sharply reduces the cost

Anatomy & Physiology 1
CH4 is methane. This compound is ________. a. inorganic b. organic c. reactive d. a crystal

Urban Economics 8
In Figure 121 , suppose the total achievement curve can be described as Achievement , so the marginal-benefit curve for teachers can be described as marginal bene?t . a. Compute the ef?cient number of teachers for the following teacher wages: {6, 10}. b. Illustrate with a graph like the one sho