Lecture- Tutorials for Introductory Astronomy
3rd Edition
ISBN: 9780321820464
Author: Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden
Publisher: Addison-Wesley
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Chapter 2, Problem 10THP
To determine
Whether the parsec is unit of length or unit of angle.
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A rectangle measuring 30.0 cm by 40.0 cm is located inside a region of a spatially uniform magnetic field of 1.70 T , with the field perpendicular to the plane of the coil (the figure (Figure 1)). The coil is pulled out at a steady rate of 2.00 cm/s traveling perpendicular to the field lines. The region of the field ends abruptly as shown. Find the emf induced in this coil when it is all inside the field, when it is partly in the field, and when it is fully outside. Please show all steps.
A rectangular circuit is moved at a constant velocity of 3.00 m/s into, through, and then out of a uniform 1.25 T magnetic field, as shown in the figure (Figure 1). The magnetic field region is considerably wider than 50.0 cm . Find the direction (clockwise or counterclockwise) of the current induced in the circuit as it is going into the magnetic field (the first case), totally within the magnetic field but still moving (the second case), and moving out of the field (the third case). Find the magnitude of the current induced in the circuit as it is going into the magnetic field . Find the magnitude of the current induced in the circuit as it is totally within the magnetic field but still moving. Find the magnitude of the current induced in the circuit as it is moving out of the field. Please show all steps
Shrinking Loop. A circular loop of flexible iron wire has an initial circumference of 161 cm , but its circumference is decreasing at a constant rate of 15.0 cm/s due to a tangential pull on the wire. The loop is in a constant uniform magnetic field of magnitude 1.00 T , which is oriented perpendicular to the plane of the loop. Assume that you are facing the loop and that the magnetic field points into the loop. Find the magnitude of the emf E induced in the loop after exactly time 9.00 s has passed since the circumference of the loop started to decrease. Find the direction of the induced current in the loop as viewed looking along the direction of the magnetic field. Please explain all steps
Chapter 2 Solutions
Lecture- Tutorials for Introductory Astronomy
Ch. 2 - Does this planet obey Kepler's second law? How do...Ch. 2 - If you were carefully watching this planet during...Ch. 2 - Draw two lines: one connecting the planet at...Ch. 2 - Pick any two planet positions (C, D, E, F, G, H,...Ch. 2 - How would the time it takes the planet to travel...Ch. 2 - During which of the two time intervals for which...Ch. 2 - During which of the two time intervals for which...Ch. 2 - Does the planet appear to be traveling the same...Ch. 2 - At which position would the planet have been...Ch. 2 - At Position D, is the speed of the planet...
Ch. 2 - Provide a concise statement that describes the...Ch. 2 - Which of the three orbits shown below (A, B, or C)...Ch. 2 - Which of the listed objects would experience the...Ch. 2 - Describe the extent to which you think Earth's...Ch. 2 - Which of the two planets (Esus or Sulis) do you...Ch. 2 - If Esus and Sulis were to switch positions, would...Ch. 2 - Do you think the orbital period for Esus would...Ch. 2 - Imagine both Esus and Sulis were in orbit around...Ch. 2 - According to the graph, would you say that the...Ch. 2 - How far from the central star does a planet orbit...Ch. 2 - How long does it take a planet to complete one...Ch. 2 - Based on your results from Questions 6 and 7,...Ch. 2 - What is the name of the planet that you identified...Ch. 2 - Using the information provided in the table above...Ch. 2 - A student in your class makes the following...Ch. 2 - Review your answers to Questions 1-4. Do you still...Ch. 2 - Given that Earth is much larger and more massive...Ch. 2 - Prob. 2NEPCh. 2 - How would the strength of the force between the...Ch. 2 - On the diagram, clearly label the location where...Ch. 2 - On the diagram, clearly label the location where...Ch. 2 - Where would the spaceprobe experience the...Ch. 2 - When the spacecraft is at the halfway point, how...Ch. 2 - Two students are discussing their answer to the...Ch. 2 - If the spaceprobe had lost all ability to control...Ch. 2 - Imagine that you need to completely stop the...Ch. 2 - Your weight on Earth is simply the gravitational...Ch. 2 - Which value, apparent magnitude, or absolute...Ch. 2 - Prob. 2APPCh. 2 - Prob. 3APPCh. 2 - Prob. 4APPCh. 2 - The star Lee has an apparent magnitude of 0.1 and...Ch. 2 - Prob. 6APPCh. 2 - Prob. 7APPCh. 2 - Imagine that you are looking at the stars from...Ch. 2 - Repeat Question 1 for July and label the distant...Ch. 2 - In the box below, the same distant stars are shown...Ch. 2 - In the same box, draw another × to indicate the...Ch. 2 - Prob. 5THPCh. 2 - Prob. 6THPCh. 2 - Starting from Earth in January, draw a line...Ch. 2 - Prob. 8THPCh. 2 - Prob. 9THPCh. 2 - Is a parsec a unit of length or a unit of angle?...Ch. 2 - Prob. 11THPCh. 2 - Prob. 12THPCh. 2 - Prob. 13THPCh. 2 - Check your answers to Questions 6 and 11 and...Ch. 2 - What is the angle between you, the house, and the...Ch. 2 - You see the Moon on the horizon just above the...Ch. 2 - Compare your answers for the barn-house angle from...Ch. 2 - Do the angles from above tell you anything about...Ch. 2 - Prob. 5PAPCh. 2 - Prob. 6PAPCh. 2 - Prob. 7PAPCh. 2 - Prob. 8PAPCh. 2 - Prob. 9PAPCh. 2 - Prob. 10PAPCh. 2 - Prob. 11PAPCh. 2 - Prob. 12PAPCh. 2 - Prob. 13PAPCh. 2 - Which object will look brighter from Earth, the...Ch. 2 - Prob. 2SPEPCh. 2 - Star B has an apparent magnitude of 0, which tells...Ch. 2 - Prob. 4SPEPCh. 2 - Prob. 5SPEPCh. 2 - Prob. 6SPEPCh. 2 - Prob. 7SPEP
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- A circular loop of wire with radius 0.0480 m and resistance 0.163 Ω is in a region of spatially uniform magnetic field, as shown in the following figure (Figure 1). The magnetic field is directed out of the plane of the figure. The magnetic field has an initial value of 7.88 T and is decreasing at a rate of -0.696 T/s . Is the induced current in the loop clockwise or counterclockwise? What is the rate at which electrical energy is being dissipated by the resistance of the loop? Please explain all stepsarrow_forwardA 0.333 m long metal bar is pulled to the left by an applied force F and moves to the left at a constant speed of 5.90 m/s. The bar rides on parallel metal rails connected through a 46.7 Ω resistor, as shown in (Figure 1), so the apparatus makes a complete circuit. You can ignore the resistance of the bar and rails. The circuit is in a uniform 0.625 T magnetic field that is directed out of the plane of the figure. Is the induced current in the circuit clockwise or counterclockwise? What is the rate at which the applied force is doing work on the bar? Please explain all stepsarrow_forwardA 0.850-m-long metal bar is pulled to the right at a steady 5.0 m/s perpendicular to a uniform, 0.650-T magnetic field. The bar rides on parallel metal rails connected through a 25-Ω, resistor (Figure 1), so the apparatus makes a complete circuit. Ignore the resistance of the bar and the rails. Calculate the magnitude of the emf induced in the circuit. Find the direction of the current induced in the circuit. Calculate the current through the resistor.arrow_forward
- In the figure, a conducting rod with length L = 29.0 cm moves in a magnetic field B→ of magnitude 0.510 T directed into the plane of the figure. The rod moves with speed v = 5.00 m/s in the direction shown. When the charges in the rod are in equilibrium, which point, a or b, has an excess of positive charge and where does the electric field point? What is the magnitude E of the electric field within the rod, the potential difference between the ends of the rod, and the magnitude E of the motional emf induced in the rod? Which point has a higher potential? Please explain all stepsarrow_forwardExamine the data and % error values in Data Table 2 where the mass of the pendulum bob increased but the angular displacement and length of the simple pendulum remained constant. Describe whether or not your data shows that the period of the pendulum depends on the mass of the pendulum bob, to within a reasonable percent error.arrow_forwardPlease graph, my software isn't working - Data Table 4 of Period, T vs √L . (Note: variables are identified for graphing as y vs x.) On the graph insert a best fit line or curve and display the equation on the graph. Thank you!arrow_forward
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