College Physics
2nd Edition
ISBN: 9780134601823
Author: ETKINA, Eugenia, Planinšič, G. (gorazd), Van Heuvelen, Alan
Publisher: Pearson,
expand_more
expand_more
format_list_bulleted
Textbook Question
Chapter 19, Problem 87RPP
Suppose nerve impulses travel at 100 m/s in the axons of nerve cells from your fingers to your brain and then back again to your fingers in order to stimulate muscles that lift your fingers off the hot burner of a stove. Which answer below is closest to the time interval needed for the nerve signal transmission along the axons?
a. 0.01 s
b. 0.001 s
c. 0.0 s
d. 0.02 s
e. 0.002 s
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
In terms of the seven fundamental Sl units in the MKS system (MKS is the system of units based on measuring length
in meters, mass in kilograms, and time in seconds), the Ohm is written as
Select one:
O a. kg.m²
A².53
O b. kg.m².s
O c. kg.m
C.S
O d.
O e.
kg.m²
A.S
kg.s²
A².m²
An electric car is designed to run off a bank of 15-V batteries with total energy storage of 2.1 × 107 J. If the electric motor draws 4 200 W in moving the car at a steady speed of 14 m/s, how far will the car go before it is “out of juice?”
a. 35 km b. 70 km c. 140 km d. 110 km e. 18 km
To measure signal propagation in a nerve in the arm, the nerve is triggered near the armpit. The peak of the action potential is measured at the elbow and then, 4.0 ms later, 24 cm away from the elbow at the wrist.a. What is the speed of propagation along this nerve?b. A determination of the speed made by measuring the time between the application of a stimulus at the armpit and the peak of an action potential at the elbow or the wrist would be inaccurate. Explain the problem with this approach, and why the noted technique is preferable.
Chapter 19 Solutions
College Physics
Ch. 19 - Review Question 19.1 What condition(s) is/are...Ch. 19 - Review Question 19.2 Describe the changes in...Ch. 19 - Review Question 19.3 Explain the meaning of the...Ch. 19 - Review Question 19.4 Why does it make sense that...Ch. 19 - Review Question 19.5 What experimental evidence...Ch. 19 - Review Question 19.6 Eugenia says that the power...Ch. 19 - Review Question 19.7 Where is the electric...Ch. 19 - Review Question 19.8 Rank the four identical bulbs...Ch. 19 - Review Question 19.9 What does it mean when you...Ch. 19 - Review Question 19.10 Why does the resistance of a...
Ch. 19 - Two identical bulbs are connected on parallel...Ch. 19 - Compare the potential difference across bulbs 1...Ch. 19 - Two identical bulbs are in series as shown in...Ch. 19 - 4. Which statement below about the potential...Ch. 19 - Three circuits with identical bulbs and emf...Ch. 19 - 6. Rank in order the potential differences across...Ch. 19 - 7. Rank in order the five identical bulbs in the...Ch. 19 - Four identical bulbs are shown in the circuit in...Ch. 19 - Four identical bulbs are shown in the circuit in...Ch. 19 - Consider the circuit in Figure Q19.10. The switch...Ch. 19 - 11. Figure Q19.1 shows graphs for an incandescent...Ch. 19 - If an electric current were due to electrons...Ch. 19 - 13. Three light sources (a lightbulb, a blue LED ...Ch. 19 - What is the role of a battery in an electric...Ch. 19 - 16. Compare and contrast the physical quantities...Ch. 19 - Birds on high power lines Why can birds perch on a...Ch. 19 - 18. Preventing electric shock When a person is...Ch. 19 - (a) Using a voltmeter, how can you determine the...Ch. 19 - (a) What does it mean if the current through a...Ch. 19 - 21. Resistors become warm when there is an...Ch. 19 - At one time aluminum rather than copper wires were...Ch. 19 - 23. How do you connect an ammeter in a circuit to...Ch. 19 - Why do we connect electric devices in a home in...Ch. 19 - 26. Construct an electric circuit that is...Ch. 19 - 27. Most Christmas tree lights with incandescent...Ch. 19 - 28. Two students are arguing. Student A says that...Ch. 19 - Use the laws of energy and charge conservation to...Ch. 19 - When you close the switch in the circuit in Figure...Ch. 19 - 1. A bulb in a table lamp has a current of 0.50 A...Ch. 19 - A long wire is connected to the terminals of a...Ch. 19 - A typical flashlight battery will produce a 0.50-A...Ch. 19 - 4. * Four friends each have a battery, a bulb, and...Ch. 19 - 5. Draw a circuit that has a battery, a lightbulb,...Ch. 19 - Add another battery to the circuit described in...Ch. 19 - Add another lightbulb to the circuit with one...Ch. 19 - A 9.0-V battery is connected to a resistor so that...Ch. 19 - 10. * A graph of the electric potential versus...Ch. 19 - 11. Sketch a potential-versus-location graph for...Ch. 19 - 12. Bio Electric currents in the body A person...Ch. 19 - 13. An automobile lightbulb has a 1.0-A current...Ch. 19 - * If a long wire is connected to the terminals of...Ch. 19 - Determine the current through a 2.5- resistor when...Ch. 19 - 16. * You have a circuit with a 50-Ω, a 100- Ω,...Ch. 19 - You have a circuit with a 50-, a 100- , and a 150-...Ch. 19 - 18. * A toy has two red LEDs (), two green LEDs...Ch. 19 - * You want to power a green LED (VOpenG=2.1V) and...Ch. 19 - 20. * A circuit consists of a green LED and a ...Ch. 19 - 21. * You connect a 50-Ω resistor to a 9-V battery...Ch. 19 - 22. * EST Making tea You use an electric teapot to...Ch. 19 - * If a long wire is connected to the terminals of...Ch. 19 - ** Three friends are arguing with each other. Adam...Ch. 19 - 25. * You have a 40-W lightbulb and a 100-W bulb....Ch. 19 - * Does a 60-W lightbulb have more or less...Ch. 19 - 27. * (a) Write two loop rule equations and one...Ch. 19 - 28. * (a) Write Kirchhoff's loop rule for the...Ch. 19 - 29. * Repeat parts (a) and (b) of the previous...Ch. 19 - * (a) Determine the value of 1 so that there is a...Ch. 19 - 31. ** The current through resistor in Figure...Ch. 19 - andR3 shown in Figure P19.27 satisfy the relation...Ch. 19 - 33. * (a) Write the loop rule for two different...Ch. 19 - 34. ** Determine the value of , shown in Figure...Ch. 19 - * Determine (a) the equivalent resistance of...Ch. 19 - 36. (a) Determine the equivalent resistance of...Ch. 19 - 37. * Determine the equivalent resistance of the...Ch. 19 - * Determine (a) the equivalent resistance of the...Ch. 19 - You close the switch in the circuit in Figure...Ch. 19 - * You close the switch in the circuit in Figure...Ch. 19 - 42. * Home wiring A simplified electrical circuit...Ch. 19 - 43. ** (a) Write Kirchhoff's rules for two loops...Ch. 19 - of internal resistance. Because each row has the...Ch. 19 - 45. Home wiring A 120-V electrical line m a home...Ch. 19 - * Tree lights Nine tree lights are connected m...Ch. 19 - 47. * Two lightbulbs use 30 W and 60 W,...Ch. 19 - * Three identical resistors, when connected in...Ch. 19 - . (a) Determine the power delivered to a resistor...Ch. 19 - * Determine the equivalent resistance of the...Ch. 19 - 51 toI4 from largest to smallest Assume all wires...Ch. 19 - Figure P19.52 shows a real circuit that consists...Ch. 19 - * A 100-m-long copper wire of radius 0.12 mm and...Ch. 19 - 54. * BMT subway rail resistance The BMT subway...Ch. 19 - * Thermometer A platinum resistance thermometer...Ch. 19 - As the potential difference in volts across a thin...Ch. 19 - 57. * BIO Respiration detector A respiration...Ch. 19 - * A wire whose resistance is R is stretched so...Ch. 19 - 59. * Ratio reasoning Determine the ratio of the...Ch. 19 - ** Electronics detective You need to determine the...Ch. 19 - 61. * A battery produces a 2.0-A current when...Ch. 19 - 62. * Resistance of human nerve cell Some human...Ch. 19 - 63. * Conductive textiles Metal strands can be...Ch. 19 - 64. * EST Figure P19.64 shows an I-versus-V graph...Ch. 19 - * EST Figure P19.64 shows an I-versus- V graph for...Ch. 19 - *EST Figure P19.64 shows an I-versus- V graph for...Ch. 19 - * Wiring high-fidelity speakers Your high-fidelity...Ch. 19 - 68 * BIO EST Lifting forearm by electric current...Ch. 19 - 69. * EST Switches You have a power supply, a 10-W...Ch. 19 - ** Wiring a staircase Devise an electric circuit...Ch. 19 - 72. ** EST Electric water heater An electric hot...Ch. 19 - 73. ** BIO EST The hands and arms as a conductor...Ch. 19 - 75. * A nickel wire of length L and a voltmeter...Ch. 19 - ** Solve the previous problem if the internal...Ch. 19 - * EST Figure P19.77 shows an | I | -versus-V graph...Ch. 19 - VI a. Connect a voltmeter to a batterys terminals....Ch. 19 - equaled the number of electrons passing a cross...Ch. 19 - 80. * A 5.0-A current caused by moving electrons...Ch. 19 - 81. ** BIO Current across membrane wall of axon An...Ch. 19 - BIO Signals in nerve cells stimulate muscles The...Ch. 19 - BIO Signals in nerve cells stimulate muscles The...Ch. 19 - BIO Signals in nerve cells stimulate muscles The...Ch. 19 - BIO Signals in nerve cells stimulate muscles The...Ch. 19 - 86. The horizontal 4-Ω resistors in the two...Ch. 19 - 87. Suppose nerve impulses travel at 100 m/s in...Ch. 19 - BIO Effect of electric current on human body Nerve...Ch. 19 - BIO Effect of electric current on human body Nerve...Ch. 19 - BIO Effect of electric current on human body Nerve...Ch. 19 - BIO Effect of electric current on human body Nerve...Ch. 19 - BIO Effect of electric current on human body Nerve...Ch. 19 - BIO Effect of electric current on human body Nerve...Ch. 19 - BIO Effect of electric current on human body Nerve...
Additional Science Textbook Solutions
Find more solutions based on key concepts
10. True or false? In picking an axis about which to compute torques in rotational equilibrium, it is nearly al...
College Physics (10th Edition)
An ideal gas is made to undergo the cyclic process shown in Figure 1.10 (a). For each of the steps A, B, and C,...
An Introduction to Thermal Physics
Check Your Understanding Describe how amplitude is related to the loudness of a sound.
University Physics Volume 1
25. A 23 kg child goes down a straight slide inclined 38° above horizontal. The child is acted on by his weight...
College Physics: A Strategic Approach (3rd Edition)
Which value, apparent magnitude, or absolute magnitude, do you think:
tells us how bright an object will appear...
Lecture- Tutorials for Introductory Astronomy
2. Julie drives 100 mi to Grandmother’s house. On the way to Grandmother’s, Julie drives half the distance at 4...
Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (4th Edition)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- The speed of propagation of the action potential (an electrical signal) in a nerve cell depends (inversely) on the diameter of the axon (nerve fiber). If the nerve cell connecting the spinal cord to your feet is 1.1 m long, and the nerve impulse speed is 18 m/s, how long does it take for the nerve signal to travel this distance?arrow_forward(a) What is the average power output of a heart defibrillator that dissipates 400 J of energy in 10.0 ms? (b) Considering the high-power output, why doesn’t the defibrillator produce serious bums?arrow_forwardA particle accelerator produces a beam with a radius of 1.25 mm with a current of 2.00 mA. Each proton has a kinetic energy of 10.00 MeV. (a) What is the velocity of the protons? (b) What is the number (n) of protons per unit volume? (b) How many electrons pass a cross sectional area each second?arrow_forward
- This homework problem is giving me some issues, help would be greatly appreciated! Thanks!arrow_forward1. 2. 3. Identify whether the circuit is connected in series or in parallel. a. a. 12V a. C1 Is + Ri C2 VI₂ M C3 R3 5 VI b. b. MMM R₂ Ri b. + C1 VCI ㅣ사 R3 C2 VC₂ VCxy C3 VC3arrow_forwardP Performance Matters Welcome, Bertiana! ► || A Tools - Question 2 of 51 Submit Test 04.CFE.2003380.2003390.2003836.2003840.Phy... A cell phone will typically have a power output of 1.4 watts when playing a song that lasts for 300 seconds. If the electrical resistance of the cellphone is 400 Q, what is the total charge needed to play the song?arrow_forward
- You heard a story that a person who fell from the sixth floor of a building was able to survive. The individual caught the wire of a copper electronic line. He wasn't electrocuted, although being in contact with an exposed live wire. The wire was able to reduce his speed before finally hitting the ground. Create a scientific explanation if such an event is possible or not.arrow_forward7. A4.50-volt personal stereo uses 1950 joules of electrical energy in one hour. What is the electrical resistance of the personal stereo? (1) 433 Q (2) 96.3 Q (3) 37.4 2 (4) 0.623 Q 7arrow_forwardQ 8. In Fig., solve for RT, Ir, Vr, V1, V2, V4, I2, and I3. R, = 100 2 SA,- S220 V,- 9.24 V R- 330 R- 68 2arrow_forward
- B1. There are approximately 20.1 million households that use TVs in the Philippines. On the average, each TV uses 75 W of power and is turned on for 8.0 hours a day. If the electrical energy costs 8.75 PHP per kWh, how much money is spent every day in keeping 20.1 million TVs turned on?a. 105.5 M b. 206.6 M c. 307.7 M d. 408.8 M B2. Refer to question number 4, find the electrical energy dissipated every day by the 20.1 million households. a. 1.16?106? b. 2.16?106? c. 3.16?106? d. 4.16?106Jarrow_forwardQ2. a). Find the voltage, Vs in the electric network shown in figure B, 4mA Vs R, = 3 ΚΩ w + V₁ V₁ Is + R₂ = 2 kn E 7Varrow_forwardYou are measuring the current of a certain component in a circuit board and it reads negative (-) 8.77MA. What does it means? a. There is an error on the digital multimeter. b. The numerical value of the current is negative. c. There is an error in the circuit. It is short circuit. d. It indicated an inverse direction. You have switched the positive and negative terminal of the DMM.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- College PhysicsPhysicsISBN:9781938168000Author:Paul Peter Urone, Roger HinrichsPublisher:OpenStax CollegePhysics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning
College Physics
Physics
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:OpenStax College
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
DC Series circuits explained - The basics working principle; Author: The Engineering Mindset;https://www.youtube.com/watch?v=VV6tZ3Aqfuc;License: Standard YouTube License, CC-BY