College Physics
2nd Edition
ISBN: 9780134601823
Author: ETKINA, Eugenia, Planinšič, G. (gorazd), Van Heuvelen, Alan
Publisher: Pearson,
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Textbook Question
Chapter 6, Problem 22P
(a) What force is required to stop a 1500-kg car in a distance of 0.20 m if it is initially moving at 2.2 m/s? (b) What if the car is moving at 4.5 m/s?
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PART III - RESISTORS IN PARALLEL
Consider (but do not yet build) the circuit shown in the circuit diagram
to the left, which we will call Circuit 3. Make sure you are using Bert
bulbs. You may want to wire two batteries in series rather than use a
single battery.
7. Predict:
a) How will the brightness of bulb B3A compare to the brightness
to bulb B3B?
c)
X
E
B3A
b) How will the brightness of bulb BзA compare to the brightness of bulb B₁ from Circuit 1?
How will the currents at points X, Y, and Z be related?
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d) How will the current at point X in this circuit compare to the current at point X from Circuit 1?
Y
Z
B3B
www
Chapter 6 Solutions
College Physics
Ch. 6 - Review Question 6.1 When you burn a log in a fire...Ch. 6 - Review Question 6.2 Ryan says, “Based on the...Ch. 6 - Review Question 6.3 An apple is falling from a...Ch. 6 - Review Question 6.4 If in solving the problem in...Ch. 6 - Review Question 6.5 As the bullet enters the block...Ch. 6 - Review Question 6.6 The following equation is a...Ch. 6 - Review Question 6.7 Object A, moving in the...Ch. 6 - The gravitational force that Earth exerts on an...Ch. 6 - A bullet fired at a door makes a hole in the door...Ch. 6 - How would you convince somebody that the momentum...
Ch. 6 - 4. A wagon full of medicine balls is rolling along...Ch. 6 - 5. When can you apply the idea that momentum is...Ch. 6 - 6. Choose an example in which the momentum of a...Ch. 6 - Figure Q6.7 shows the velocity-versus-time graphs...Ch. 6 - Which is a safer car bumper in a collision: one...Ch. 6 - 9. Why does an inflated balloon shoot across a...Ch. 6 - In which situation does the momentum of a tennis...Ch. 6 - 11. A toy car with very low friction wheels and...Ch. 6 - You hold a clay ball above a scale and then drop...Ch. 6 - 13. You hold a rubber ball above a scale and then...Ch. 6 - 14 Two battery-powered fan carts are resting on a...Ch. 6 - 15. According to a report on traumatic brain...Ch. 6 - 16. Jim says that momentum is not a conserved...Ch. 6 - Say five important things about momentum (for...Ch. 6 - Three people are observing the same car. One...Ch. 6 - When would a ball hitting a wall have a greater...Ch. 6 - 20. In the previous question, in which case does...Ch. 6 - 21. Explain the difference between the concepts of...Ch. 6 - Why do you believe that momentum is a conserved...Ch. 6 - A heavy bar falls straight down onto the bed of a...Ch. 6 - Construct impulse-momentum bar charts to represent...Ch. 6 - A person moving on Rollerblades throws a medicine...Ch. 6 - A small ball of mass m rolls at a constant speed v...Ch. 6 - 1. You and a friend are playing tennis. (a) What...Ch. 6 - 2. You are hitting a tennis ball against a wall....Ch. 6 - A ball of mass m and speed v travels horizontally,...Ch. 6 - Figure P6.4 shows the velocity-versus-time graph...Ch. 6 - 5. A 1300-kg car is traveling at a speed of 10 m/s...Ch. 6 - * The rules of tennis specify that the 0.057-kg...Ch. 6 - * A cart of mass m moving right at speed v with...Ch. 6 - 8. * A cart of mass m moving right collides with...Ch. 6 - ESTEstimate your momentum when you are walking at...Ch. 6 - 10. A 100-g apple is falling from a tree. What is...Ch. 6 - * The same 100-g apple is falling from the tree....Ch. 6 - 12. Why does Earth exert the same impulse during...Ch. 6 - 13. * Van hits concrete support In a crash test, a...Ch. 6 - BIO Force exerted by heart on blood About 80 g of...Ch. 6 - 15. The train tracks on which a train travels...Ch. 6 - 16. ** EST Your friend is catching a falling...Ch. 6 - 17 BIO Traumatic brain injury According to a...Ch. 6 - * A 65-kg astronaut pushes against the inside back...Ch. 6 - 19. * You decide to use your garden hose to wash...Ch. 6 - 20. * An egg rolls off a kitchen counter and...Ch. 6 - 21. ** Proportional reasoning During a collision...Ch. 6 - (a) What force is required to stop a 1500-kg car...Ch. 6 - 23. ** EST You drop a 78-g ball vertically onto a...Ch. 6 - * Air bag force on head The graph in Figure P6.24...Ch. 6 - 25. * Equation Jeopardy 1 Invent a problem for...Ch. 6 - * Equation Jeopardy 2 Invent a problem for which...Ch. 6 - * Two carts (100 g and 150 g) on an air track are...Ch. 6 - * A tennis ball of mass m hits a wall at speed v...Ch. 6 - 29. * A tennis ball traveling at a speed of v...Ch. 6 - Prob. 30PCh. 6 - Prob. 31PCh. 6 - * You hold a beach ball above your head and then...Ch. 6 - 33. * A basketball player drops a 0.60-kg...Ch. 6 - * Bar chart Jeopardy Invent a problem for each of...Ch. 6 - * A baseball bat contacts a 0.145-kg baseball for...Ch. 6 - A cannon mounted on the back of a ship fires a...Ch. 6 - A 10-kg sled carrying a 30-kg child glides on a...Ch. 6 - 38. A 10,000-kg coal car on the Great Northern...Ch. 6 - * Avoiding chest injury A person in a car during a...Ch. 6 - * Bruising apples An apple bruises if a force...Ch. 6 - * Fast tennis serve The fastest server in womens...Ch. 6 - 42. * You are in an elevator whose cable has just...Ch. 6 - ** You jump from the window of a burning hotel and...Ch. 6 - * After a 70-kg person steps from a boat onto the...Ch. 6 - 45. * BIO Leg injuries during car collisions...Ch. 6 - 46. * BIO Bone fracture The zygomatic bone in the...Ch. 6 - 47. ** You are investigating a newly discovered...Ch. 6 - 48. * An impulse of stops your head during a car...Ch. 6 - A cart is moving on a horizontal track when a...Ch. 6 - 50. * A cart is moving on a horizontal track. A...Ch. 6 - 51. Your friend shoots an 80-g arrow through a...Ch. 6 - 52. * BIO EST Cuttlefish use jet propulsion to...Ch. 6 - * BIO Potassium decay in body tissue Certain...Ch. 6 - 54. Drifting space mechanic An astronaut with a...Ch. 6 - Prob. 55PCh. 6 - 56. Rocket stages A 5000-kg rocket ejects a...Ch. 6 - 57. * A rocket has just ejected fuel. With the...Ch. 6 - 58. * Car collision A 1180-kg car traveling south...Ch. 6 - 59. * Ice skaters collide While ice skating, you...Ch. 6 - 1015-kg meteorite traveling at about 10 km/s...Ch. 6 - 61. * Three friends play beach volleyball. The...Ch. 6 - 62. ** Two forces exert impulses on a hockey puck,...Ch. 6 - 64. * A cart of mass m traveling in the negative...Ch. 6 - 65. ** Two cars of unequal mass moving at the same...Ch. 6 - 66. ** Restraining force during collision A...Ch. 6 - * EST A carpenter hammers a nail using a 0.80-kg...Ch. 6 - 68. ** A 0.020-kg bullet traveling at a speed of...Ch. 6 - 69. * Two identical lightweight arms are mounted...Ch. 6 - * In a first experiment, a 30-g clay ball is shot...Ch. 6 - 71. ** EST A record rainstorm produced 304.8 mm...Ch. 6 - 72. * While dangling a hairdryer by its cord, as...Ch. 6 - 73. ** While dangling a hairdryer by its cord, as...Ch. 6 - Prob. 74GPCh. 6 - 75. * A 2045-kg sports utility vehicle hits the...Ch. 6 - 76. ** A car of mass m1 traveling north at a speed...Ch. 6 - ** You have two carts, a force probe connected to...Ch. 6 - BIO Heartbeat detector A prisoner tries to escape...Ch. 6 - BIO Heartbeat detector A prisoner tries to escape...Ch. 6 - BIO Heartbeat detector A prisoner tries to escape...Ch. 6 - BIO Heartbeat detector A prisoner tries to escape...Ch. 6 - BIO Heartbeat detector A prisoner tries to escape...Ch. 6 - Space Shuttle launch The mass of the Space Shuttle...Ch. 6 - Space Shuttle launch The mass of the Space Shuttle...Ch. 6 - Space Shuttle launch The mass of the Space Shuttle...Ch. 6 - Space Shuttle launch The mass of the Space Shuttle...Ch. 6 - Space Shuttle launch The mass of the Space Shuttle...Ch. 6 - Space Shuttle launch The mass of the Space Shuttle...Ch. 6 - Space Shuttle launch The mass of the Space Shuttle...
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