An Introduction to Physical Science
14th Edition
ISBN: 9781305079137
Author: James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 2, Problem 8MC
An object is projected straight upward. Neglecting air resistance, it _____. (2.3)
- (a) returns with the same initial speed
- (b) has zero velocity at the top of the projection
- (c) has a constant acceleration throughout
- (d) has all of the preceding.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
Question 5
5. A horizontal projectile is shot with an initial velocity of 15 m/s from a height of 3.46 m above the ground. Neglecting air-resistance, what is the magnitude of the final velocity (m/s)?
A cargo helicopter, descending steadily at a speed of 4.5 m/s, releases a small package. Let upward be the positive direction for this problem.
(a) If the package is 24 m above the ground when it is dropped, how long does it take for the package to reach the ground?
(b) What is its velocity just before it lands? (Indicate the direction with the sign of your answer.)
A ball is thrown vertically from the ground with a velocity of 30 m/s.
(a) What time is required for the ball to rise to its maximum height?
(b) How high does the ball rise?
(c) How long after it is thrown does the ball have a velocity of 10 m/s upward?
(d) When is the displacement of the ball zero?
Chapter 2 Solutions
An Introduction to Physical Science
Ch. 2.1 - What is needed to designate a position?Ch. 2.1 - What is motion?Ch. 2.2 - Between two points, which may be greater in...Ch. 2.2 - Prob. 2PQCh. 2.2 - Prob. 2.1CECh. 2.2 - A communications satellite is in a circular orbit...Ch. 2.3 - What is the average speed in mi/h of a person at...Ch. 2.3 - What motional changes produce an acceleration?Ch. 2.3 - Prob. 2PQCh. 2.3 - If the car in the preceding example continues to...
Ch. 2.3 - Prob. 2.5CECh. 2.4 - Prob. 1PQCh. 2.4 - Prob. 2PQCh. 2.4 - Prob. 2.6CECh. 2.5 - Neglecting air resistance, why would a ball...Ch. 2.5 - Prob. 2PQCh. 2 - Visualize the connections and give the descriptive...Ch. 2 - KEY TERMS 1. physics (intro) 2. position (2.1) 3....Ch. 2 - KEY TERMS 1. physics (intro) 2. position (2.1) 3....Ch. 2 - Prob. CMCh. 2 - Prob. DMCh. 2 - Prob. EMCh. 2 - Prob. FMCh. 2 - Prob. GMCh. 2 - Prob. HMCh. 2 - Prob. IMCh. 2 - Prob. JMCh. 2 - Prob. KMCh. 2 - Prob. LMCh. 2 - Prob. MMCh. 2 - Prob. NMCh. 2 - Prob. OMCh. 2 - Prob. PMCh. 2 - Prob. QMCh. 2 - KEY TERMS 1. physics (intro) 2. position (2.1) 3....Ch. 2 - What is necessary to designate a position? (2.1)...Ch. 2 - Which one of the following describes an object in...Ch. 2 - Which one of the following is always true about...Ch. 2 - Which is true of an object with uniform velocity?...Ch. 2 - Acceleration may result from what? (2.3) (a) an...Ch. 2 - For a constant linear acceleration, what changes...Ch. 2 - Which one of the following is true for a...Ch. 2 - An object is projected straight upward. Neglecting...Ch. 2 - If the speed of an object in uniform circular...Ch. 2 - Neglecting air resistance, which of the following...Ch. 2 - In the absence of air resistance, a projectile...Ch. 2 - A football is thrown on a long pass. Compared to...Ch. 2 - An object is in motion when it undergoes a...Ch. 2 - Speed is a(n) ___ quantity. (2.2)Ch. 2 - Velocity is a(n) ___ quantity. (2.2)Ch. 2 - ___ is the actual path length. (2.2)Ch. 2 - Prob. 5FIBCh. 2 - Prob. 6FIBCh. 2 - The distance traveled by a dropped object...Ch. 2 - Prob. 8FIBCh. 2 - The metric units associated with acceleration are...Ch. 2 - Prob. 10FIBCh. 2 - Prob. 11FIBCh. 2 - Neglecting air resistance, a horizontally thrown...Ch. 2 - What area of physics involves the study of objects...Ch. 2 - What is necessary to designate the position of an...Ch. 2 - How are length and time used to describe motion?Ch. 2 - Prob. 4SACh. 2 - Prob. 5SACh. 2 - How is average speed analogous to an average class...Ch. 2 - A jogger jogs two blocks directly north. (a) How...Ch. 2 - Prob. 8SACh. 2 - The gas pedal of a car is commonly referred to as...Ch. 2 - Does a negative acceleration always mean that an...Ch. 2 - A ball is dropped. Assuming free fall, what is its...Ch. 2 - A vertically projected object has zero velocity at...Ch. 2 - Can a car be moving at a constant speed of 60 km/h...Ch. 2 - What is centripetal about centripetal...Ch. 2 - Are we accelerating as a consequence of the Earth...Ch. 2 - What is the direction of the acceleration vector...Ch. 2 - For projectile motion, what quantities are...Ch. 2 - How do the motions of horizontal projections with...Ch. 2 - Prob. 19SACh. 2 - Can a baseball pitcher throw a fastball in a...Ch. 2 - Figure 2.14(b) shows a multiflash photograph of...Ch. 2 - Taking into account air resistance, how do you...Ch. 2 - Do highway speed limit signs refer to average...Ch. 2 - Prob. 2AYKCh. 2 - What is the direction of the acceleration vector...Ch. 2 - Is an object projected vertically upward in free...Ch. 2 - A student sees her physical science professor...Ch. 2 - How would (a) an updraft affect a skydiver in...Ch. 2 - A skydiver uses a parachute to slow the landing...Ch. 2 - Tractor-trailer rigs often have an airfoil on top...Ch. 2 - A gardener walks in a flower garden as illustrated...Ch. 2 - What is the gardeners displacement (Fig. 2.21)?...Ch. 2 - At a track meet, a runner runs the 100-m dash in...Ch. 2 - A jogger jogs around a circular track with a...Ch. 2 - A space probe on the surface of Mars sends a radio...Ch. 2 - A group of college students eager to get to...Ch. 2 - A student drives the 100-mi trip back to campus...Ch. 2 - A jogger jogs from one end to the other of a...Ch. 2 - An airplane flying directly eastward at a constant...Ch. 2 - A race car traveling northward on a straight,...Ch. 2 - A sprinter starting from rest on a straight, level...Ch. 2 - Modern oil tankers weigh more than a half-million...Ch. 2 - A motorboat starting from rest travels in a...Ch. 2 - A car travels on a straight, level road. (a)...Ch. 2 - A ball is dropped from the top of an 80-m-high...Ch. 2 - What speed does the ball in Exercise 15 have in...Ch. 2 - Figure 1.18 (Chapter 1) shows the Hoover Dam...Ch. 2 - A spaceship hovering over the surface of Mars...Ch. 2 - A person drives a car around a circular, level...Ch. 2 - A race car goes around a circular, level track...Ch. 2 - If you drop an object from a height of 1.5 m, it...Ch. 2 - A golfer on a level fairway hits a ball at an...
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
- A bullet is shot straight up with an initial speed of 180 m/s. How long is the bullet in the air and how high does the bullet go? (neglect air resistance)arrow_forwardA stone is thrown with an initial speed of 20 m/s at an angle of 35° above the horizontal from the top of a 53 m building. What is the speed of the rock as it strikes the ground (ignore air resistance).arrow_forwardA diver springs upward with an initial speed of 2.1 m/s from a 3.5-m board. (a) Find the velocity with which he strikes the water (Hint: When the diver reaches the water, his displacement is y=-3.5 m (measured from the board), assuming that the downward direction is chosen as the negative direction.) 8.54 x m/s (b) What is the Nighest point he reaches above the water? 39 xm Additional Materials ookarrow_forward
- Suppose I throw a rock horizontally with an initial speed of 30 m/s. Suppose my release point is 2 m above the ground. (a) How long does it take for the rock to hit the ground? (b) How far in the horizontal direction does the rock travel? (c) What is the speed of the rock right before it hits the ground?arrow_forwardA rock is thrown off a cliff at an angle of 51° above the horizontal. The cliff is 145 m high. The initial speed of the rock is 23 m/s. (Assume the height of the thrower is negligible.) (a) How high above the edge of the cliff does the rock rise (in m)? (b) How far has it moved horizontally when it is at maximum altitude (in m)? m (c) How long after the release does it hit the ground (in s)?arrow_forwardA bolt is dropped from a bridge under construction, falling 99 m to the valley below the bridge. (a) How much time does it take to pass through the last 14% of its fall? What is its speed (b) when it begins that last 14% of its fall and (c) just before it reaches the ground?arrow_forward
- A frog leaps into the air from the edge of a vertical cliff as shown in the figure. It leaves the ground with a speed of 3.6 m/s at an angle of 60°. What is the magnitude of the velocity at the maximum height? [Express answer within TWO decimal places].arrow_forwardAn attacker at the base of a castle wall 4.00 m high throws a rock straight up with speed 4.50 m/s from a height of 1.60 m above the ground. (a) Will the rock reach the top of the wall? (b) If so, what is its speed at the top? If not, what initial speed must it have to reach the top? (c) Find the change in speed of a rock thrown straight down from the top of the wall at an initial speed of 4.50 m/s and moving between the same two points. (d) Does the change in speed of the downward-moving rock agree with the magnitude of the speed change of the rock moving upward between the same elevations? (e) Explain physically why it does or does not agree.arrow_forwardHelp please A cargo helicopter, descending steadily at a speed of 3.8 m/s, releases a small package. Let upward be the positive direction for this problem. (I) If the package is 94 m above the ground when it is dropped, how long does it take for the package to reach the ground? (II) What is its velocity just before it lands? (Indicate the direction with the sign of your answer.)arrow_forward
- Two children are playing on two trampolines. The first child bounces up one-and-a-half times higher than the second child. The initial speed up of the second child is 4.0 m/s(a) Find the maximum height the second child reaches. (b) What is the initial speed of the first child? (c) How long was the first child in the air?arrow_forwardAt a given instant in time, a ball is thrown straight up into the air with a velocity of 5.0 m/s starting from aposition 2.2 m above the ground.(a) What is the position of the ball after 1.0 s?(b) What is the ball’s velocity at this time?(c) What is the maximum height reached by the ball?(d) How far has the ball traveled after 1.0 s?arrow_forwardAn attacker at the base of a castle wall 4.00 m high throws a rock straight up with speed 4.50 m/s from a height of 1.60 m above the ground. (a) Will the rock reach the top of the wall? Yes No (b) If so, what is its speed at the top? If not, what initial speed must it have to reach the top? m/s(c) Find the change in speed of a rock thrown straight down from the top of the wall at an initial speed of 4.50 m/s and moving between the same two points. m/s(d) Does the change in speed of the downward-moving rock agree with the magnitude of the speed change of the rock moving upward between the same elevations? YesNo (e) Explain physically why it does or does not agree.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
College PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
University Physics (14th Edition)PhysicsISBN:9780133969290Author:Hugh D. Young, Roger A. FreedmanPublisher:PEARSON
Introduction To Quantum MechanicsPhysicsISBN:9781107189638Author:Griffiths, David J., Schroeter, Darrell F.Publisher:Cambridge University Press
Physics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Lecture- Tutorials for Introductory AstronomyPhysicsISBN:9780321820464Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina BrissendenPublisher:Addison-Wesley
College Physics: A Strategic Approach (4th Editio...PhysicsISBN:9780134609034Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart FieldPublisher:PEARSON
College Physics
Physics
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
University Physics (14th Edition)
Physics
ISBN:9780133969290
Author:Hugh D. Young, Roger A. Freedman
Publisher:PEARSON
Introduction To Quantum Mechanics
Physics
ISBN:9781107189638
Author:Griffiths, David J., Schroeter, Darrell F.
Publisher:Cambridge University Press
Physics for Scientists and Engineers
Physics
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Lecture- Tutorials for Introductory Astronomy
Physics
ISBN:9780321820464
Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden
Publisher:Addison-Wesley
College Physics: A Strategic Approach (4th Editio...
Physics
ISBN:9780134609034
Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher:PEARSON
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