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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Textbook Question
Chapter 2, Problem 15SA
Are we accelerating as a consequence of the Earth spinning on its axis? Explain.
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E16. The time separating high tides is 12 hours and 25 minutes. If high tide occurs at 3:10 p.m. one afternoon,
a. At what time will high tide occur the next afternoon?
b. When would you expect low tides to occur the next day
A ball is attached to a 2.10 m-long string, is being spun counterclockwise around, and is traveling at 367 cm/s. What is the centripetal acceleration of the ball? Are the forces acting on the ball balanced? explain?
I am lost on the step by step in step #2: can you please break them down. thanks!
The acceleration due to gravity at altitude h is given by
gh = GMR + h2= GM(R+3.30R)2= 1(4.30)2×GMR2= 118.49×9.8 m/s2= 0.530 m/s2
The acceleration of meteoroid due to earth's gravitation is equals to 0.530 m/s2
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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- Astronauts walking on the Moon are seen bounding rather than walking normally. Why?arrow_forwardCan centripetal acceleration change the speed of circular motion? Explain.arrow_forwardTwo planets in circular orbits around a star have speed of v and 2v . (a) What is the ratio of the orbital radii of the planets? (b) What is the ratio of their periods?arrow_forward
- Explain why centripetal acceleration changes the direction of velocity in circular motion but not its magnitude.arrow_forwardA student builds and calibrates an accelerometer and uses it to determine the speed of her car around a certain unbanked highway curve. The accelerometer is a plumb bob with a protractor that she attaches to the roof of her car. A friend riding in the car with the student observes that the plumb bob hangs at an angle of 15.0 from the vertical when the car has a speed of 23.0 m/s. (a) What is the centripetal acceleration of the car rounding the curve? (b) What is the radius of the curve? (c) What is the speed of the car if the plumb bob deflection is 9.00 while rounding the same curve?arrow_forwardThe Moon's mass is 7.35 1022 kg, and it moves in a nearly circular orbit with radius 3.84 108 m. The period of its motion is 27.3 days. Use this, information to determine the Moon's (a) orbital speed and (b) its acceleration.arrow_forward
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- Using the average distance of Earth from the Sun, and the orbital peirod of Earth, (a) find the centripetal acceleration of Earth in its motion about the Sun. (b) Compare this value to that of the centripetal acceleration at the equator due to Earth’s rotation.arrow_forwardObjects moving along a circular path have a centripetal acceleration provided by a net force directed towards the center. Identify the force(s) providing the centripetal acceleration in each of these cases: (a) a planet in circular orbit around its sun; (b) a car going around an unbanked, circular turn; (c) a rock tied to a string and swung in a vertical circle, as it passes through its highest point; and (d) a dry sock in a clothes dryer as it spins in a horizontal circle.arrow_forwardAn office door is given a sharp push and swings open against a pneumatic device that slows the door down and then reverses its motion. At the moment the door is open the widest, (a) does the doorknob have a centripetal acceleration? (b) Does it have a tangential acceleration?arrow_forward
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