College Physics
OER 2016 Edition
ISBN: 9781947172173
Author: OpenStax
Publisher: OpenStax College
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Chapter 8, Problem 29PE
Professional Application
Two manned satellites approach one another at a relative speed of 0.250 m/s, intending to dock. The first has a mass of
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Chapter 8 Solutions
College Physics
Ch. 8 - An object that has a small mass and an object that...Ch. 8 - An object that has a small mass and an object that...Ch. 8 - Professional Application Football coaches advise...Ch. 8 - How can a small force impart the same momentum to...Ch. 8 - Professional Application Explain in terms of...Ch. 8 - While jumping on a trampoline, sometimes you land...Ch. 8 - Professional Application Tennis racquets have...Ch. 8 - Professional Application If you dive into water,...Ch. 8 - Under what circumstances is momentum conserved?Ch. 8 - Can momentum be conserved for a system if there...
Ch. 8 - Momentum for a system can be conserved in one...Ch. 8 - Professional Application Explain in terms of...Ch. 8 - Can objects in a system have momentum while the...Ch. 8 - Must the total energy of a system be conserved...Ch. 8 - What is an elastic collision?Ch. 8 - What is an inelastic collision? What is a...Ch. 8 - Mixed-pair ice skaters performing in a show are...Ch. 8 - A Small pickup truck that has a caliper shell...Ch. 8 - Prob. 19CQCh. 8 - Professional Application Suppose a fireworks shell...Ch. 8 - Professional Application During a visit to the...Ch. 8 - Professional Application It is possible for the...Ch. 8 - (a) Calculate the momentum of a 2000-kg elephant...Ch. 8 - (a) What is the mass of a large ship that has a...Ch. 8 - (a) At what speed would a 2.00104 -kg airplane...Ch. 8 - (a) What is the momentum of a garbage truck that...Ch. 8 - A runaway train car that has a mass of 15,000 kg...Ch. 8 - The mass of Earth is 5.9721024 kg and its orbital...Ch. 8 - A bullet is accelerated down the barrel of a gun...Ch. 8 - Professional Application A car moving at 10 m/s...Ch. 8 - A person slaps her leg with her hand, bringing her...Ch. 8 - Professional Application A professional boxer hits...Ch. 8 - Professional Application Suppose a child drives a...Ch. 8 - Professional Application One hazard of space...Ch. 8 - Professional Application A 75.0-kg person is...Ch. 8 - Professional Application Military rifles have a...Ch. 8 - A cruise ship with a mass of 1.00107 kg strikes a...Ch. 8 - Calculate the final speed of a 110-kg rugby player...Ch. 8 - Water from a fire hose is directed horizontally...Ch. 8 - A 0.450-kg hammer is moving horizontally at 7.00...Ch. 8 - Starting with the definitions of momentum and...Ch. 8 - A ball with an initial velocity of 10 m/s moves at...Ch. 8 - When serving a tennis ball, a player hits the ball...Ch. 8 - A punter drops a ball from rest vertically 1 meter...Ch. 8 - Professional Application Train cars are coupled...Ch. 8 - Suppose a clay model of a koala bear has a mass of...Ch. 8 - Professional Application Consider the following...Ch. 8 - What is the velocity of a 900-kg car initially...Ch. 8 - A 1.80-kg falcon catches a 0.650-kg dove from...Ch. 8 - Two identical objects (such as billiard balls)...Ch. 8 - Professional Application Two manned satellites...Ch. 8 - A 70.0-kg ice hockey goalie, originally at rest,...Ch. 8 - A 0.240-kg billiard ball that is moving at 3.00...Ch. 8 - During an ice show, a 60.0-kg skater leaps into...Ch. 8 - Professional Application Using mass and speed data...Ch. 8 - A battleship that is 6.00*10' kg and is originally...Ch. 8 - Professional Application Two manned satellites...Ch. 8 - Professional Application A 30,000-kg freight car...Ch. 8 - Professional Application Space probes may be...Ch. 8 - A 0.0250-kg bullet is accelerated from rest to a...Ch. 8 - Professional Application One of the waste products...Ch. 8 - Professional Application The Moon's craters are...Ch. 8 - Professional Application Two football players...Ch. 8 - What is the speed of a garbage truck that is...Ch. 8 - During a circus act, an elderly performer thrills...Ch. 8 - (a) During an ice skating performance, an...Ch. 8 - Two identical pucks collide on an air hockey...Ch. 8 - Confirm that the results of the example Example...Ch. 8 - A 3000-kg cannon is mounted so that it can recoil...Ch. 8 - Professional Application A 5.50-kg bowling ball...Ch. 8 - Professional Application Ernest Rutherford (the...Ch. 8 - Professional Application Two cars collide at an...Ch. 8 - Starting with equations m1v1=m1v1cos1+m2v2cos2 and...Ch. 8 - Integrated Concepts A 90.0-kg ice hockey player...Ch. 8 - Professional Application Antiballistic missiles...Ch. 8 - Professional Application What is the acceleration...Ch. 8 - Professional Application Calculate the increase in...Ch. 8 - Professional Application Ion-propulsion rockets...Ch. 8 - Derive the equation for the vertical acceleration...Ch. 8 - Professional Application (a) Calculate the maximum...Ch. 8 - Given the following data for a fire...Ch. 8 - How much of a single-stage rocket that is 100,000...Ch. 8 - Professional Application (a) A 5.00-kg squid...Ch. 8 - Unreasonable Results Squids have been reported to...Ch. 8 - Construct Your Own Problem Consider an astronaut...Ch. 8 - Construct Your Own Problem Consider an artillery...Ch. 8 - Prob. 1TPCh. 8 - Prob. 2TPCh. 8 - Prob. 3TPCh. 8 - Prob. 4TPCh. 8 - Prob. 5TPCh. 8 - Prob. 6TPCh. 8 - Prob. 7TPCh. 8 - Prob. 8TPCh. 8 - Prob. 9TPCh. 8 - Prob. 10TPCh. 8 - Prob. 11TPCh. 8 - Prob. 12TPCh. 8 - Prob. 13TPCh. 8 - Prob. 14TPCh. 8 - Prob. 15TPCh. 8 - Prob. 16TPCh. 8 - Prob. 17TPCh. 8 - Prob. 18TPCh. 8 - Prob. 19TPCh. 8 - Prob. 20TPCh. 8 - Prob. 21TPCh. 8 - Prob. 22TPCh. 8 - Prob. 23TPCh. 8 - Prob. 24TPCh. 8 - Prob. 25TPCh. 8 - Prob. 26TPCh. 8 - Prob. 27TPCh. 8 - Prob. 28TPCh. 8 - Prob. 29TPCh. 8 - Prob. 30TPCh. 8 - Prob. 31TPCh. 8 - Prob. 32TPCh. 8 - Prob. 33TPCh. 8 - Prob. 34TPCh. 8 - Prob. 35TPCh. 8 - Prob. 36TPCh. 8 - Prob. 37TPCh. 8 - Prob. 38TPCh. 8 - Prob. 39TPCh. 8 - Prob. 40TPCh. 8 - Prob. 41TPCh. 8 - Prob. 42TPCh. 8 - Prob. 43TPCh. 8 - Prob. 44TPCh. 8 - Prob. 45TPCh. 8 - Prob. 46TPCh. 8 - Prob. 47TPCh. 8 - Prob. 48TPCh. 8 - Prob. 49TPCh. 8 - Prob. 50TPCh. 8 - Prob. 51TPCh. 8 - Prob. 52TP
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- A 2-kg object moving to the right with a speed of 4 m/s makes a head-on, elastic collision with a 1-kg object that is initially at rest. The velocity of the 1-kg object after the collision is (a) greater than 4 m/s, (b) less than 4 m/s, (c) equal to 4 m/s, (d) zero, or (e) impossible to say based on the information provided.arrow_forwardInitially, ball 1 rests on an incline of height h, and ball 2 rests on an incline of height h/2 as shown in Figure P11.40. They are released from rest simultaneously and collide elastically in the trough of the track. If m2 = 4 m1, m1 = 0.045 kg, and h = 0.65 m, what is the velocity of each ball after the collision?arrow_forwardThe magnitude of the net force exerted in the x direction on a 2.50-kg particle varies in time as shown in Figure P9.10 (page 244). Find (a) the impulse of the force over the 5.00-s time interval, (b) the final velocity the particle attains if it is originally at rest, (c) its final velocity if its original velocity is 2.00im/s, and (d) the average force exerted on the particle for the time interval between 0 and 5.00 s. Figure P9.10arrow_forward
- A projectile of mass 2.0 kg is fired in the air at an angle of 40.0 to the horizon at a speed of 50.0 m/s. At the highest point in its flight, the projectile breaks into three parts of mass 1.0 kg, 0.7 kg, and 0.3 kg. The 1.0-kg part falls straight down after breakup with an initial speed of 10.0 m/s, the 0.7-kg part moves in the original forward direction, and the 0.3-kg part goes straight up. Launch a. Find the speeds of the 0.3-kg and 0.7-kg pieces immediately after the break-up. b. How high from the break-up point does the 0.3-kg piece go before coming to rest? c. Where does the 0.7-kg piece land relative to where it was fired from?arrow_forwardA car of mass 1 560 kg traveling east and a truck of equal mass traveling north collide and become entangled, moving as a unit at 15.0 m/s and 60.0 north of east. Find the speed of (a) the car, and (b) the truck prior to the collision. (See Section 6.4.)arrow_forwardInitially, ball 1 rests on an incline of height h, and ball 2 rests on an incline of height h/2 as shown in Figure P11.40. They are released from rest simultaneously and collide in the trough of the track. If m2 = 4 m1 and the collision is elastic, find an expression for the velocity of each ball immediately after the collision. FIGURE P11.40 Problems 40 and 41.arrow_forward
- If a rainstorm drops 1 cm of rain over an area of 10km2 in the period of 1 hour, what is the momentum of the rain that falls in one second? Assume the terminal velocity of a raindrop is 10 m/s.arrow_forwardA head-on, elastic collision occurs between two billiard balls of equal mass. If a red ball is traveling to the right with speed v and a blue ball is traveling to the left with speed 3v before the collision, what statement is true concerning their velocities subsequent to the collision? Neglect any effects of spin. (a) The red ball travels to the left with speed v, while the blue ball travels to the right with speed 3v. (b) The red ball travels to the left with speed v, while the blue ball continues to move to the left with a speed 2v. (c) The red ball travels to the left with speed 3v, while the blue ball travels to the right with speed v. (d) Their final velocities cannot be determined because momentum is not conserved in the collision. (e) The velocities cannot be determined without knowing the mass of each ball.arrow_forwardAn estimated force-time curve for a baseball struck by a bat is shown in Figure P9.13. From this curve, determine (a) the magnitude of the impulse delivered to the ball and (b) the average force exerted on the ball. Figure P9.13arrow_forward
- A water molecule consists of an oxygen atom with two hydrogen atoms bound to it (Fig. P8.36). The angle between the two bonds is 106. If the bonds are 0.100 nm long, where is the center of mass of the molecule? Figure P8.36arrow_forwardA tennis ball of mass 57.0 g is held just above a basketball of mass 590 g. With their centers vertically aligned, both balls are released from rest at the same time, falling through a distance of 1.20 m, as shown in Figure P6.45. (a) Find the magnitude of the basketballs velocity the instant before the basketball reaches the ground. (b) Assume that an elastic collision with the ground instantaneously reverses the velocity of the basketball so that it collides with the tennis ball just above it. To what height does the tennis ball rebound? Figure P6.45arrow_forwardA space probe, initially at rest, undergoes an internal mechanical malfunction and breaks into three pieces. One piece of mass ml = 48.0 kg travels in the positive x-direction at 12.0 m/s, and a second piece of mass m2 = 62.0 kg travels in the xy-plane at an angle of 105 at 15.0 m/s. The third piece has mass m3 = 112 kg. (a) Sketch a diagram of the situation, labeling the different masses and their velocities, (b) Write the general expression for conservation of momentum in the x- and y-directions in terms of m1, m2, m3, v1, v2 and v3 and the sines and cosines of the angles, taking to be the unknown angle, (c) Calculate the final x-components of the momenta of m1 and m2. (d) Calculate the final y-components of the momenta of m1 and m2. (e) Substitute the known momentum components into the general equations of momentum for the x- and y-directions, along with the known mass m3. (f) Solve the two momentum equations for v3 cos and v3 sin , respectively, and use the identity cos2 + sin2 = 1 to obtain v3. (g) Divide the equation for v3 sin by that for v3 cos to obtain tan , then obtain the angle by taking the inverse tangent of both sides, (h) In general, would three such pieces necessarily have to move in the same plane? Why?arrow_forward
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Elastic and Inelastic Collisions; Author: Professor Dave Explains;https://www.youtube.com/watch?v=M2xnGcaaAi4;License: Standard YouTube License, CC-BY