An Introduction to Physical Science
14th Edition
ISBN: 9781305079137
Author: James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Publisher: Cengage Learning
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Chapter 2, Problem LM
To determine
To pick the right word from list: Speed at an instant of time.
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choose the scalar quantities. Choose all that apply.
1.
Distance
2.
acceleration
3.
displacement
4.
speed
11:48
75
+ LESSON 3 AC...
ACTIVITY 1: Solve the following problems
using the Kinematics equations.
1. An airplane accelerates down a runway
at 3.20 m/s? for 32.8 seconds until is
finally lifts off the ground. Determine the
distance traveled before takeoff.
2. A car starts from rest and accelerates
uniformly over a time of 5.21 seconds for
a distance of 110 meters. Determine the
acceleration of the car.
3. Upton Chuck is riding the Giant Drop at
Great America. If Upton free falls for 2.60
seconds, what will be his final velocity
and how far will he fall?
4. A race car accelerates uniformly from
18.5 m/s to 46.1 m/s in 2.47 seconds.
Determine the acceleration of the car
and the distance traveled.
Please help
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...
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- 4. The motions of two objects, A and B, are defined by the following vectors: vector A = 6.0622i + 3.500j m/s vector B = 5.9500i + 10.3057j m/s unit vector of bullet = -j %3D Object A and B left at the same time and at the same point. What is the angle between the paths of motion of objects A and B?arrow_forward6. Consider the velocity-time graph shown below. Which section has the smallest v (m/s) D LA + + + 1 2 3 4 5 6 7 8 9 B 4 3 2 1 -1 -2 -3 -4 t(s) magnitude of velocity? know Explain how you this using only words (no calculations)arrow_forward5. Below is the v(t) graph for a person walking in a straight line. v (1) (a) Sketch the corresponding x(t) graph. 0 13 1₂ 13 + 14 + 15 16 16 (b) Describe in a sentence or two what might be happening.arrow_forward
- 17. The vector which represents the sun of a group of force vectors is called the a. magnitude b. resultant C. sum d. phase angle 18. Which of the following is not a vector quantity? a. Velocity b. Speed c. acceleration d. displacement 19. As the projectile rises and then falls back to the ground, it's acceleration a. decreases, then increases b. increases, only c. Increases, the decreases d. remain the same 20. A freely falling object near the earth's surface has a constant a. velocity of - 1.0 m/s b. velocity of -9.81 m/s c. acceleration of -1.0 m/s? d. acceleration of -9.81 m/s?arrow_forwardPart 2- Answer the following questions using the following graph. v (m/s) 10 8 6 4 2 0 1 2 3 4 5 6 7 -2 -4 -6 © 2002 Brooks Cole Publishing - a division of Thomson Learning 8 -t(s) 1. How far does the object travel in the first 4 seconds of the trip? (6 marks) 2. What is the object's instantaneous acceleration at 6.0 seconds? (3 marks) 3. What is the object's velocity at the following times? (2 marks) a. 1.0 s: b. 4.5 s: C. 6.0 s: d. 7.0 s: 4. Using graph paper, draw a half-page the position-time graph for this v-t graph. Show your calculations (attach paper) and make sure you pay attention to the rules for graphs when drawing the axes and deciding the scale (10 marks) 5. Using graph paper, draw a half-page acceleration-time graph for this v-t graph. Again, show your calculations and make sure you pay attention to the rules for graphs when drawing the axes and deciding the scale (9 marks)arrow_forwardLet's Appraise A trekker walks 5.0 km North [N] and then 8.0 km South [S] for 3.0 hours. Determine the trekker's: 1. Average velocity a. b. Average speed A car's velocity is at 100 km/h going North [N}for 1.0 hour. The car continues to move for another 2.0 hours at 82 km/h South [S]. Determine the car's: 2. Total displacement a. b. Moving average velocity C. Total distance covered d. Moving average speed f dictance and time.arrow_forward
- 1."An airplane accelerates down a runway at 3.20m/s2 for 32.8s until it finally lifts off the ground. how long is the said runway? how long is the said runway?" From the problem, what is the most appropriate equation to be used? 2.Which describe the velocity of an object upward? a.The object moves in constant velocity for one meter b.The object adds one meter per second squared in its velocity every second c.The object changes its velocity to one meter per second at its highest point d.The object adds one meter per second in its velocity every second 3. which tells how fast an object is moving? a.30km at 40 northeast b.60 miles per hour in 4 hr c. 30 meters per second d. 30 meter per second squaredarrow_forward50. You drive due east at 40 km/h for 2.0 h and then stop. (a) What is your speed during the trip? (b) Is speed a scalar or a vector? (c) How far have you gone? Is distance a scalar or a vector? (d) Write a vector expression for your position after you stop (in the form "N units of distance in the Q direction"). (e) Write a vector expression for your velocity during the trip, assuming east is the + direction.arrow_forwardQUESTION 20 A physics student measures the depth of a deep hole by dropping a rock into the hole. The rock takes 4 seconds to hit the bottom. Assuming g = 10 m/s, the depth of the hole is approximately: 20 meters A. В. 40 meters С. 80 meters D. 120 meters E. 160 metersarrow_forward
- If I know the acceleration of gravity is 2 times the coefficient x^2 and x^2 = 5.1591 How do i find the acceleration of gravity ? Y= 1/2 g t^2 Y= 5.1591x^2 - 0.0864x + 0.0545arrow_forward4. A car moves in a straight line 20 miles due north, then travels 10 miles due east. The total distance the car traveled was: Select one:a. 22 milesb. 35 milesc. 30 milesd. 30 kmarrow_forward1. How does a scalar quantity differ from a vector quantity?arrow_forward
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Position/Velocity/Acceleration Part 1: Definitions; Author: Professor Dave explains;https://www.youtube.com/watch?v=4dCrkp8qgLU;License: Standard YouTube License, CC-BY