Modified Mastering Physics with Pearson eText -- Standalone Access Card -- for College Physics: A Strategic Approach (4th Edition)
4th Edition
ISBN: 9780134724744
Author: Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 2, Problem 61GP
The takeoff speed for an Airbus A320 jetliner is 80 m/s. Velocity data measured during takeoff are as shown in the table.
| t(s) | Vx(m/s) |
| 0 | 0 |
| 10 | 23 |
| 20 | 46 |
| 30 | 69 |
a. What is the jetliner's acceleration during takeoff, in m/s2 and in g's?
b. At what time do the wheels leave the ground?
c. For safety reasons, in case of an aborted takeoff, the length of the runway must be three times the takeoff distance. What is the minimum length runway this aircraft can use?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
A polar bear starts at the North Pole. It travels 1.0 km south, then 1.0 km east, and then returns to its starting point. This trip takes 0.75 hr. a) What was the bear's average speed? b) What was the bear's average velocity?
A body moves in a straight line according to this equation of motion: s(t) = 10+2
4t + 8, where t is measured in seconds and s in meters.
a. What is its position at the end of 5 sec?
b. What is the equation for its velocity v at any time t?
c. What is its velocity v at the end of 5 seconds?
d. What is the equation for its acceleration a at any time t?
e. What is its acceleration at the end of 5 seconds?
A scooter begins at rest at t0 = 0 seconds. The scooter starts moving, and eventually covers a distance d = 727 m, in a time tf = 189 s. In a coordinate system with north being the positive x-direction, the scooter's motion is in the northern direction
A: What was the scooter's displacement in the northern direction during this period, in meters?
B: What was the scooter's average velocity in in the northern direction vavg,N, in this period in meters per second?
C: If the scooter's final velocity at tf was 12 m/s, what was the scooter's average acceleration in the northern direction, aavg,N, during this period in m/s2?
Chapter 2 Solutions
Modified Mastering Physics with Pearson eText -- Standalone Access Card -- for College Physics: A Strategic Approach (4th Edition)
Ch. 2 - A person gets in an elevator on the ground floor...Ch. 2 - a. Give an example of a vertical motion with a...Ch. 2 - Figure Q2.3 shows growth rings in the trunk of a...Ch. 2 - Sketch a velocity-versus-time graph for a rock...Ch. 2 - You are driving down the road at a constant speed....Ch. 2 - Prob. 6CQCh. 2 - Prob. 7CQCh. 2 - A ball is thrown straight up into the air. At each...Ch. 2 - Prob. 9CQCh. 2 - Figure Q2.10 shows an object's...
Ch. 2 - Figure Q2.11 shows the position graph for an...Ch. 2 - Figure Q2.12 shows the position-versus-time graphs...Ch. 2 - Figure Q2.13 shows a position-versus-time graph....Ch. 2 - Figure Q2.14 is the velocity-versus-time graph for...Ch. 2 - Figure Q2.15 shows the position graph of a car...Ch. 2 - Figure Q2.16 shows the position graph of a car...Ch. 2 - Figure Q2.17 shows an object's...Ch. 2 - The following options describe the motion of four...Ch. 2 - A car is traveling at Vx = 20 m/s. The driver...Ch. 2 - Velocity-versus-time graphs for three drag racers...Ch. 2 - Which of the three drag racers in Question 20 had...Ch. 2 - Chris is holding two softballs while standing on a...Ch. 2 - Suppose a plane accelerates from rest for 30 s,...Ch. 2 - Figure Q2.24 shows a motion diagram with the clock...Ch. 2 - Prob. 25MCQCh. 2 - Prob. 26MCQCh. 2 - Prob. 27MCQCh. 2 - Prob. 28MCQCh. 2 - Figure P2.1 shows a motion diagram of a car...Ch. 2 - For each motion diagram in Figure P2.2, determine...Ch. 2 - The position graph of Figure P2.3 shows a dog...Ch. 2 - A rural mail carrier is driving slowly, putting...Ch. 2 - For the velocity-versus-time graph of Figure P2.5:...Ch. 2 - Prob. 7PCh. 2 - A bicyclist has the position-versus-time graph...Ch. 2 - In major league baseball, the pitcher's mound is...Ch. 2 - In college softball, the distance from the...Ch. 2 - Alan leaves Los Angeles at 8:00am to drive to San...Ch. 2 - Richard is driving home to visit his parents. 125...Ch. 2 - In a 5.00 km race, one runner runs at a steady...Ch. 2 - In an 8.00 km race, one runner runs at a steady...Ch. 2 - Prob. 15PCh. 2 - While running a marathon, a long-distance runner...Ch. 2 - Prob. 17PCh. 2 - Prob. 18PCh. 2 - Prob. 19PCh. 2 - Prob. 20PCh. 2 - Prob. 21PCh. 2 - Prob. 22PCh. 2 - Prob. 23PCh. 2 - Prob. 24PCh. 2 - Prob. 25PCh. 2 - Small frogs that are good jumpers are capable of...Ch. 2 - A Thomson's gazelle can reach a speed of 13 m/s in...Ch. 2 - When striking, the pike, a predatory fish, can...Ch. 2 - a. What constant acceleration, in SI units, must a...Ch. 2 - When jumping, a flea rapidly extends its legs,...Ch. 2 - Prob. 31PCh. 2 - Light-rail passenger trains that provide...Ch. 2 - A cross-country skier is skiing along at a zippy...Ch. 2 - A small propeller airplane can comfortably achieve...Ch. 2 - Formula One racers speed up much more quickly than...Ch. 2 - Prob. 36PCh. 2 - A driver has a reaction time of 0.50 s, and the...Ch. 2 - Chameleons catch insects with their tongues, which...Ch. 2 - You're driving down the highway late one night at...Ch. 2 - Prob. 40PCh. 2 - A car is traveling at a steady 80 km/h in a 50...Ch. 2 - Prob. 42PCh. 2 - A simple model for a person running the 100m dash...Ch. 2 - Here's an interesting challenge you can give to a...Ch. 2 - In the preceding problem we saw that a person's...Ch. 2 - A gannet is a seabird that fishes by diving from a...Ch. 2 - Prob. 48PCh. 2 - Prob. 49PCh. 2 - A student at the top of a building of height h...Ch. 2 - Excellent human jumpers can leap straight up to a...Ch. 2 - A football is kicked straight up into the air; it...Ch. 2 - In an action movie, the villain is rescued from...Ch. 2 - Spud Webb was, at 5 ft 8 in, one of the shortest...Ch. 2 - A rock climber stands on top of a 50-m-high cliff...Ch. 2 - Actual velocity data for a lion pursuing prey are...Ch. 2 - A truck driver has a shipment of apples to deliver...Ch. 2 - Prob. 58GPCh. 2 - Prob. 60GPCh. 2 - The takeoff speed for an Airbus A320 jetliner is...Ch. 2 - Does a real automobile have constant acceleration?...Ch. 2 - Prob. 63GPCh. 2 - You are driving to the grocery store at 20 m/s....Ch. 2 - When you blink your eye, the upper lid goes from...Ch. 2 - A bush baby, an African primate, is capable of a...Ch. 2 - When jumping, a flea reaches a takeoff speed of...Ch. 2 - Certain insects can achieve seemingly impossible...Ch. 2 - A student standing on the ground throws a ball...Ch. 2 - A rock is tossed straight up with a speed of 20...Ch. 2 - Prob. 72GPCh. 2 - A car starts from rest at a stop sign. It...Ch. 2 - Heather and Jerry are standing on a bridge 50 m...Ch. 2 - A Thomson's gazelle can run at very high speeds,...Ch. 2 - We've seen that a man's higher initial...Ch. 2 - A pole-vaulter is nearly motionless as he clears...Ch. 2 - A Porsche challenges a Honda to a 400 m race....Ch. 2 - The minimum stopping distance for a car traveling...Ch. 2 - A rocket is launched straight up with constant...Ch. 2 - Free Fall on Different Worlds Objects in free fall...Ch. 2 - Free Fall on Different Worlds Objects in free fall...Ch. 2 - Free Fall on Different Worlds Objects in free fall...
Additional Science Textbook Solutions
Find more solutions based on key concepts
Express the unit vectors in terms of (that is, derive Eq. 1.64). Check your answers several ways Also work o...
Introduction to Electrodynamics
34.105 CALC (a) For a lens with focal length f, find the smallest distance possible between the object and its ...
University Physics (14th Edition)
If the voltage between two points is zero can a test charge be moved between them with zero net work being done...
University Physics Volume 2
31. Your forehead can withstand a force of about 6.0 kN before fracturing, while your cheekbone can withstand o...
Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (4th Edition)
Choose the best answer to each of the following. Explain your reasoning. An astronomical unit is (a) any planet...
The Cosmic Perspective Fundamentals (2nd 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
- At time t0=0.0s, a car, starting from rest, moves south. It continues moving south, and by time tf =121s, it has covered a distance of d=6689m. Take north as the positive x direction, as indicated in the figure. Part A: What is the car's average speed, in meters per second, during this period? Part B: What is the car's displacement, in meters, during this period? Part C: What is the car's average velocity, in meters per second, during this period? Part D: A different car, after starting from rest at t0 =0.0s, travels for the same period, tf =121s, attaining a final velocity of vf =−30.0m/s. What is this car's average acceleration, in meters per squared seconds, during the period described?arrow_forwardPart A.) What is the final velocity, in meters per second, of a freight train that accelerates at a rate of 0.095 m/s2 for 8.75 min, starting with an initial velocity of 3.8 m/s? Part B.) If the train can slow down at a rate of 0.575 m/s2, how long, in seconds, does it take to come to a stop from this velocity? Part C.) How far, in meters, does the train travel during the process described in part (A)? Part D.) How far, in meters, does the train travel during the process described in part (B)?arrow_forwardA block falls from rest off a building that is y = 185 m tall. At what time,in seconds, does the block hit the ground? t0 = How long, in seconds, does it take for the block to be y′ = 38 m off the ground? t1 = How much time, in seconds, does it take for the block to fall the additional y′ distance? t2 = What is the speed, in meters per second, of the block right before it hits the ground? v=arrow_forward
- The takeoff speed for an Airbus A320 jetliner is 80 m/s. Velocity data measured as the plane approaches takeoff are shown in the table below. t(s) vx(m/s) 0 0 10 23 20 46 30 69 (a) What is the plane’s acceleration as it approaches takeoff? (b) At what time t does the plane leave the ground? (c) Safety regulations require that the length of the runway must be at least three times the takeoff distance. What is the minimum length runway this aircraft can use?arrow_forwardReferring to the figure, a truck drives a distance d=30.1m in the positive x direction in a time t1=17.2s, at which point the truck brakes, coming to rest in t2=8.13s. Part A: What is the truck's average velocity in the horizontal direction, in meters per second, during the t1 time period? Part B: Assuming the truck started from rest and moved with a constant acceleration, what was the acceleration, in meters per suqared second, during the time interval t1? Part C: What was the truck's instananeous velocity in the horizontal direction, in meters per second, when it began braking? And using the result from the previous answer, what was the truck's horizontal component of acceleration, in meters per squared second, during the braking period? Please explain how you got your answer in detail.arrow_forwardBartholomew jogs from home at 3.50 m/s north for 1380 seconds. Then, he turns around and jogs 2.40 m/s east for 875 seconds. A) Assuming an original position of zero, where is Bartholomew now? B) What is his average velocity? C) If a third part of his jog returns him home in 985 seconds, what should his velocity be on this part?arrow_forward
- A woodchuck runs 24.8 m to the right in 4.73 s, then turns and runs 9.1 m to the left in 3.36 s. Part (a) What is the magnitude of the average velocity of the woodchuck in m/s? Numeric : A numeric value is expected and not an expression.v = __________________________________________Part (b) What is its average speed in m/s? Numeric : A numeric value is expected and not an expression.v = __________________________________________arrow_forwardThe graph shows the time records of the position, velocity, and acceleration of a hummingbird, as it hovers back and forth along a straight line near a tempting feeder, trying to decide if it wants to take a drink of nectar. The units for the quantities are m, m/s, and m/ s2s2. Which is which? a. Position: B; Velocity: C; Acceleration: A b. Position: C; Velocity: A; Acceleration: Bc. Position: A; Velocity: C; Acceleration: Bd. Position: C; Velocity: B; Acceleration: Ae. Position: B; Velocity: A; Acceleration: Carrow_forwarda car travels on a straight, level road. a) Starting from rest, the car is going 42 ft/s (29 mi/h) at the end of 4.5 s. What is the car's average acceleration in ft/s2? b) In 3.5 more seconds, the car is going 84 ft/s (57 mi/h). What is the car's average acceleration for this time period? (c) The car then slows to 63 ft/s (43 mi/h) in 2.5 s. What is the average acceleration for this time period? (d) What is the overall average acceleration for the total time?arrow_forward
- a van travels a distance d=25.6m in the positive x direction in a time t1=23.7s, at which point it brakes coming to a rest in t2=8.33sa. what was the van's avergae velocity in the horizontal direction in m/s during the t1 time period?b.assuming the van started from rest and moved at a constant acceleration, what was the acceleration in m/s2 during the time interval t1?c. what was the van's instantaneous velocity in the horizontal direction in ms when it was braking?d. using the result from part c, what was the van's horizontal component of acceleration in m/s2 during the braking period?arrow_forwardDuring its launch phase, a rocket accelerates uniformly from rest to 160 m/s upwards in 4.0 s, then travels with a constant speed of 160 m/s for the next 5.0 s. a) What is the initial acceleration of the rocket? b) How far does the rocket travel in this 9.0 s period? c) What is the final speed of the rocket in km/h? d) What is the average speed of the rocket during the first 4.0 s? e) What is the average speed of the rocket during the 9.0 s motion?arrow_forwardA detailed graph of position versus time is attached. Part b) wha tis the acceleration at t=1.1 h in km/h2? Part c) What is the instantaneous velocity at t=2.6 h in km/h? Part d) What is the average velocity during the time interval from 1.45 h to 4.6 in km/h? Part e) What is the average postion during the interval from 0.15 h to 4.6 h in km?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Speed Distance Time | Forces & Motion | Physics | FuseSchool; Author: FuseSchool - Global Education;https://www.youtube.com/watch?v=EGqpLug-sDk;License: Standard YouTube License, CC-BY