College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 6, Problem 76AP
Two blocks collide on a frictionless surface. After the collision, the blocks stick together. Block A has a mass M and is initially moving to the right at speed v. Block B has a mass 2M and is initially at rest. System C is composed of both blocks, (a) Draw a force diagram for each block at an instant during the collision, (b) Rank the magnitudes of the horizontal forces in your diagram. Explain your reasoning, (c) Calculate the change in momentum of block A, block B, and system C. (d) Is kinetic energy conserved in this collision? Explain your answer. (This problem is courtesy of Edward F. Redish. For more such problems, visit http://www.physics.umd.edu/perg.)
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
Please only Part A and C; thank you!
A ball of mass 0.472 kg moving east (+x direction) with a speed of 3.80 m/sm/s collides head-on with a 0.236 kg ball at rest. Assume that the collision is perfectly elastic.
Part A
What is be the speed of the 0.472-kg ball after the collision?
Express your answer to three significant figures and include the appropriate units.
v1=_____________
Part C
What is the speed of the 0.236-kg ball after the collision?
Express your answer to three significant figures and include the appropriate units.
v2=____________
Note: The direction of velocity of both v1 and v2 is to the east.
Hello can you help me solve this problem with complete solution and illustration?
*A 40kg boy is sliding on a horizontal and frictionless surface with an initial momentum of 90J due east. When t=0, a force, a function of time, F=8.20t is applied to the boy due west. a) at what value of t will result in the momentum of the boy 60J due west? b) what is the acceleration of the boy at the time computed in letter a?
At the center of a 68m diameter circular ice rink, a 84 kg skater travelling north at 2.43 m/s collides with and holds onto a 55 kg skater who had been heading west at 3.66 m/s.
a.) How long will it take them to glide to the edge of the rink? Please provide a diagram of the solution
b.) Where will they reach it? Give your answer as an angle (in degrees) north of west. Please provide a diagram of the triangle formed
Chapter 6 Solutions
College Physics
Ch. 6.1 - Two masses m1 and m2, with m1 m2, have equal...Ch. 6.2 - A boy standing at one end of a floating raft that...Ch. 6.3 - A car and a large truck traveling at the same...Ch. 6.3 - An object of mass m moves to the right with a...Ch. 6.3 - A skater is using very low-friction rollerblades....Ch. 6.3 - In a perfectly inelastic one-dimensional collision...Ch. 6.3 - A bowling ball onboard a space station is floating...Ch. 6 - A batter bunts a pitched baseball, blocking the...Ch. 6 - If two objects collide and one is initially at...Ch. 6 - Two carts on an air track have the same mass and...
Ch. 6 - Two identical ice hockey pucks, labeled A and B,...Ch. 6 - A ball of clay of mass m is thrown with a speed v...Ch. 6 - A skater is standing still on a frictionless ice...Ch. 6 - A baseball is thrown from the outfield toward home...Ch. 6 - (a) If two automobiles collide, they usually do...Ch. 6 - Your physical education teacher throws you a...Ch. 6 - Two cans move in the same direction along a...Ch. 6 - For the situation described in the previous...Ch. 6 - An air bag inflates when a collision occurs,...Ch. 6 - At a bowling alley, two players each score a spare...Ch. 6 - An open box slides with constant speed across the...Ch. 6 - Does a larger net force exerted on an object...Ch. 6 - Does a larger net force always produce a larger...Ch. 6 - If two particles have equal momenta, are their...Ch. 6 - Two particles of different mass start from rest....Ch. 6 - Calculate the magnitude of the linear momentum for...Ch. 6 - A high-speed photograph of a club hitting a golf...Ch. 6 - A pitcher claims he can throw a 0.145-kg baseball...Ch. 6 - A 0.280-kg volleyball approaches a player...Ch. 6 - Drops of rain fall perpendicular to the roof of a...Ch. 6 - Show that the kinetic energy of a particle of mass...Ch. 6 - An object has a kinetic energy of 275 J and a...Ch. 6 - An estimated force vs. time curve for a baseball...Ch. 6 - A soccer player takes a corner kick, lofting a...Ch. 6 - A man claims he ran safely hold on to a 12.0-kg...Ch. 6 - A ball of mass 0.150 kg is dropped from rest from...Ch. 6 - A tennis player receives a shot with the ball...Ch. 6 - A car is stopped for a traffic signal. When the...Ch. 6 - A 65.0-kg basketball player jumps vertically and...Ch. 6 - The force shown in the force vs. time diagram in...Ch. 6 - A force of magnitude Fx acting in the x-direction...Ch. 6 - The forces shown in the force vs. time diagram in...Ch. 6 - A 3.00-kg steel ball strikes a massive wall at...Ch. 6 - The front 1.20 m of a 1 400-kg car is designed as...Ch. 6 - A pitcher throws a 0.14-kg baseball toward the...Ch. 6 - High-speed stroboscopic photographs show that the...Ch. 6 - A rifle with a weight of 30.0 N fires a 5.00-g...Ch. 6 - A 45.0-kg girl is standing on a 150.-kg plank. The...Ch. 6 - This is a symbolic version of Problem 23. A girl...Ch. 6 - Squids are the fastest marine invertebrates, using...Ch. 6 - A 75-kg fisherman in a 125-kg boat throws a...Ch. 6 - A 65.0-kg person throws a 0.045 0-kg snowball...Ch. 6 - Two objects of masses m1 = 0.56 kg m2 = 0.88 kg...Ch. 6 - An astronaut in her space suit has a total mass of...Ch. 6 - Three ice skaters meet at the center of a rink and...Ch. 6 - a man of mass m1 = 70.0 kg is skating at v1 = 8.00...Ch. 6 - An archer shoots an arrow toward a 3.00 102-g...Ch. 6 - Gayle runs at a speed of 4.00 m/s and dives on a...Ch. 6 - A 75.0-kg ice skater moving at 10.0 m/s crashes...Ch. 6 - A railroad car of mass 2.00 104 kg moving at 3.00...Ch. 6 - This is a symbolic version of Problem 35. A...Ch. 6 - Consider the ballistic pendulum device discussed...Ch. 6 - A cue ball traveling at 4.00 m/s makes a glancing,...Ch. 6 - In a Broadway performance, an 80.0-kg actor swings...Ch. 6 - Two shuffleboard disks of equal mass, one orange...Ch. 6 - A 0.030-kg bullet is fired vertically at 200 m/s...Ch. 6 - An bullet of mass m = 8.00 g is fired into a block...Ch. 6 - A 12.0-g bullet is fired horizontally into a 100-g...Ch. 6 - A 1200-kg car traveling initially with a speed of...Ch. 6 - A tennis ball of mass 57.0 g is held just above a...Ch. 6 - A space probe, initially at rest, undergoes an...Ch. 6 - A 25.0-g object moving to the right at 20.0 cm/s...Ch. 6 - A billiard ball rolling across a table at 1.50 m/s...Ch. 6 - A 90.0-kg fullback running cast with a speed of...Ch. 6 - Identical twins, each with mass 55.0 kg, are on...Ch. 6 - A 2.00 1O3-kg car moving cast at 10.0 m/s...Ch. 6 - Two automobiles of equal mass approach an...Ch. 6 - A billiard ball moving at 5.00 m/s strikes a...Ch. 6 - The Merlin rocket engines developed by SpaceX...Ch. 6 - One of the first ion engines on a commercial...Ch. 6 - NASAs Saturn V rockets that launched astronauts to...Ch. 6 - Prob. 57PCh. 6 - A spaceship at rest relative to a nearby star in...Ch. 6 - A spaceships orbital maneuver requires a speed...Ch. 6 - In research in cardiology and exercise physiology,...Ch. 6 - Most of us know intuitively that in a head-on...Ch. 6 - Consider a frictionless track as shown in Figure...Ch. 6 - A 2.0-g particle moving at 8.0 m/s makes a...Ch. 6 - A bullet of mass m and speed v passes completely...Ch. 6 - Prob. 65APCh. 6 - A 0.400-kg blue bead slides on a frictionless,...Ch. 6 - A 730-N man stands in the middle of a frozen pond...Ch. 6 - An unstable nucleus of muss 1.7 1026 kg,...Ch. 6 - Two blocks of masses m1 and m2 approach each other...Ch. 6 - Two blocks of masses m1 = 2.00 kg and m2 = 4.00 kg...Ch. 6 - A block with mass m1 = 0.500 kg is released from...Ch. 6 - Two objects of masses m and 3m are moving toward...Ch. 6 - A small block of mass m1 = 0.500 kg is released...Ch. 6 - A car of mass m moving at a speed v1 collides and...Ch. 6 - A cannon is rigidly attached to a carriage, which...Ch. 6 - Two blocks collide on a frictionless surface....Ch. 6 - (a) A car traveling due east strikes a car...Ch. 6 - A 60-kg soccer player jumps vertically upwards and...Ch. 6 - A boy of mass mb and his girlfriend of mass mg,...Ch. 6 - A 20.0-kg toboggan with 70.0-kg driver is sliding...Ch. 6 - Measuring the speed of a bullet. A bullet of mass...Ch. 6 - A flying squid (family Ommastrephidae) is able to...Ch. 6 - A 0.30-kg puck, initially at rest on a...Ch. 6 - A wooden block of mass M rests on a table over a...Ch. 6 - A 1.25-kg wooden block rests on a table over a...
Additional Science Textbook Solutions
Find more solutions based on key concepts
The formula for the sum Sn of the geometric series Sn=a+ar+.....arn−1 .
Mathematical Methods in the Physical Sciences
Can the observer shown see a star when it is located below the horizon? Why or why not?
Lecture- Tutorials for Introductory Astronomy
What is a concept?
Integrated Science
Explain what happens to the energy carried by light that it is dimmed by passing it through two crossed polariz...
College Physics
The magnitude of the electric field.
Sears And Zemansky's University Physics With Modern Physics
An electric motor has an effective resistance of 32.0 and an inductive reactance of 45.0 when working under l...
Fundamentals Of Physics - Volume 1 Only
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 vessel at rest at the origin of an xy coordinate system explodes into three pieces. Just after the explosion, one piece, of mass m, moves with velocity (-25 m/s) î and a second piece, also of mass m, moves with velocity (-25 m/s) ĵ. The third piece has mass 3m. Just after the explosion, what are the (a) magnitude and (b) direction (as an angle relative to the +x axis) of the velocity of the third piece? (a) Number Enter your answer for part (a) in accordance to the question statement Units Choose the answer for part (a) from the menu in accordance to the question statement This answer has no units° (degrees)mkgsm/sm/s^2NJWN/mkg·m/s or N·sN/m^2 or Pakg/m^3gm/s^3times (b) Number Enter your answer for part (b) in accordance to the question statement Units Choose the answer for part (b) from the menu in accordance to the question statement This answer has no…arrow_forwardPlease make sure this is right!! Mechanic Physics: In Figure (1), a 3.50 g bullet is fired horizontally at two blocks at rest on a frictionless table. The bullet passes through block 1 (mass 1.05 kg) and embeds itself in block 2 (mass 1.76 kg). The blocks end up with speeds v1 = 0.510 m/s and v2 = 1.40 m/s (see Figure (2)). Neglecting the material removed from block 1 by the bullet, find the speed of the bullet as it (a) leaves and (b) enters block 1.arrow_forwardPart A. Find v2/v1, the ratio of the velocity v2 of the two-block system after the first collision to the velocity v1 of the block of mass m1 before the collision. Part B. Find v3/v1, the ratio of the velocity v3 of the three-block system after the second collision to the velocity v1 of the block of mass m1 before the collisions.arrow_forward
- Two blocks of masses m1 = 1.50 kg and m2 = 3.00 kg are each released from rest at a height of h = 5.70 m on a frictionless track, as shown in the figure below, and undergo an elastic head-on collision. Answer parts a-c.arrow_forward********PLEASE ONLY ANSWER PART D AND E******* Starting with an initial speed of 5.38 m/s at a height of 0.380 m, a 1.87-kg ball swings downward and strikes a 5.13-kg ball that is at rest, as the drawing shows. (a) Using the principle of conservation of mechanical energy, find the speed of the 1.87-kg ball just before impact. This value is 6.03 m/s (b) Assuming that the collision is elastic, find the velocity (magnitude and direction) of the 1.87-kg ball just after the collision. This value is -2.01 m/s (c) Assuming that the collision is elastic, find the velocity (magnitude and direction) of the 5.13-kg ball just after the collision. This value is 3.22 m/s (d) How high does the 1.87-kg ball swing after the collision, ignoring air resistance? (e) How high does the 5.13-kg ball swing after the collision, ignoring air resistance? I just need d and e answered please! Thank you.arrow_forwardBatman (mass 85 kg) and Superman (mass 65 kg) are standing on some frictionless ice and are both initially at rest. They are holding opposite ends of a massless rope, which has a length of 25 meters. They begin to move towards each other by pulling along the rope, hand over hand. The tension in the rope is a constant 250 Newtons throughout their motion. For this problem, use a coordinate system where x = 0 is Batman’s initial position and x = 25 m is Superman’s initial position. (c) Draw a free body diagrams for Batman and Superman. (d)Find the magnitude and direction of Batman’s acceleration. (e)Find the magnitude and direction of Superman’s acceleration. (f) At what position does Batman meet Superman? Note: need drawing for solutionarrow_forward
- Two ice skaters stand together as illustrated in Figure (a) below. They "push off" and travel directly away from each other, the boy with a velocity of v = 0.73 m/s to the left. If the boy weighs 701 N and the girl weighs 479 N, what is the girl's velocity after they push off? (Consider the ice to be frictionless. Enter the magnitude only.) m/sarrow_forwarda. Simulate m1 = m2 with their respective velocities v1 and v2 with equal magnitude but opposite direction. Take a screenshot of the simulation and paste it on the space below. Explain the collision, reaction, and motion of the two masses. b. Simulate m1 > m2 with their respective velocities v1 < v2. Take a screenshot of the simulation and paste it on the space below. Explain the collision, reaction, and motion of the two masses. c. Simulate m1 > m2 with their respective velocities v1 > v2. Take a screenshot of the simulation and paste it on the space below. Explain the collision, reaction, and motion of the two massesarrow_forwarda.) If an object is already moving and you applied another force parallel to it and with the same direction, does this mean that another counter force will be generated? Explain. b.) Considering question (a), what if you applied a force lower than the force of momentum (and gravity, etc.) on the object, will it generate a counter force? Explain. c.) On our activity, pushing the object at rest generates a counter force. How is this?arrow_forward
- A man of mass m1 = 70.0 kg is skating at v1 = 8.00 m/s behind his wife of mass m2 = 50.0 kg, who is skating at v2 = 4.00 m/s. Instead of passing her, he inadvertently collides with her. He grabs her around the waist, and they maintain their balance. (a) Sketch the problem with before-and-after diagrams, representing the skaters as blocks. (b) Is the collision best described as elastic, inelastic, or perfectly inelastic? Why? (c) Write the general equation for conservation of momentum in terms of m1, v1, m2 , v2 , and final velocity vf . (d) Solve the momentum equation for vf . (e) Substitute values, obtaining the numerical value for vf , their speed after the collision.arrow_forwardTwo ice skaters stand together as illustrated in Figure (a). They "push off" and travel directly away from each other, the boy with a velocity of v = +0.42 m/s. If the boy weighs 718 N and the girl 450 N, what is the girl's velocity after they push off? (Consider the ice to be frictionless.)arrow_forwardOn a horizontal frictionless table, a 3-kg block moving 5 m/s to the right collides with an 8-kg block moving 1.5 m/s to the left. a. If the two blocks stick together, what is the final velocity (magnitude and direction)? b. How much mechanical energy is dissipated in the collision? Show the figure/fbd, given and formula used.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Physics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning
Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Impulse Derivation and Demonstration; Author: Flipping Physics;https://www.youtube.com/watch?v=9rwkTnTOB0s;License: Standard YouTube License, CC-BY