Problem 1CQ: A batter bunts a pitched baseball, blocking the ball without swinging, (a) Can the baseball deliver... Problem 2CQ: If two objects collide and one is initially at rest, (a) is it possible for both to be at rest after... Problem 3CQ: Two carts on an air track have the same mass and speed and are traveling towards each other. If they... Problem 4CQ: Two identical ice hockey pucks, labeled A and B, are sliding towards each other at speed v. Which... Problem 5CQ: A ball of clay of mass m is thrown with a speed v against a brick wall. The clay sticks to the wall... Problem 6CQ: A skater is standing still on a frictionless ice rink. Her friend throws a Frisbee straight to her.... Problem 7CQ: A baseball is thrown from the outfield toward home plate, (a) True or False: Neglecting air... Problem 8CQ: (a) If two automobiles collide, they usually do not stick together. Does this mean the collision is... Problem 9CQ: Your physical education teacher throws you a tennis ball at a certain velocity, and you catch it.... Problem 10CQ: Two cans move in the same direction along a frictionless air track, each acted on by the same... Problem 11CQ: For the situation described in the previous question, which cart experiences the greater change in... Problem 12CQ: An air bag inflates when a collision occurs, protecting a passenger (the dummy in Figure CQ6.12)... Problem 13CQ: At a bowling alley, two players each score a spare when their bowling balls make head-on,... Problem 14CQ: An open box slides with constant speed across the frictionless surface of a frozen lake. If water... Problem 15CQ: Does a larger net force exerted on an object always produce a larger change in the momentum of the... Problem 16CQ: Does a larger net force always produce a larger change in kinetic energy than a smaller net force?... Problem 17CQ: If two particles have equal momenta, are their kinetic energies equal? (a) yes, always (b) no, never... Problem 18CQ: Two particles of different mass start from rest. The same net force acts on both of them as they... Problem 1P: Calculate the magnitude of the linear momentum for the following cases: (a) a proton with mass equal... Problem 2P: A high-speed photograph of a club hitting a golf ball is shown in Figure 6.3. The club was in... Problem 3P: A pitcher claims he can throw a 0.145-kg baseball with as much momentum as a 3.00-kg bullet moving... Problem 4P: A 0.280-kg volleyball approaches a player horizontally with a speed of 15.0 m/s. The player strikes... Problem 5P: Drops of rain fall perpendicular to the roof of a parked car during a rainstorm The drops strike the... Problem 6P: Show that the kinetic energy of a particle of mass m is related to the magnitude of the momentum p... Problem 7P: An object has a kinetic energy of 275 J and a momentum of magnitude 25.0 kg m/s. Find the (a) speed... Problem 8P: An estimated force vs. time curve for a baseball struck by a bat is shown in Figure P6.8. From this... Problem 9P: A soccer player takes a corner kick, lofting a stationary ball 35.0 above the horizon at 22.5 m/s.... Problem 10P: A man claims he ran safely hold on to a 12.0-kg child in a head-on collision with a relative speed... Problem 11P: A ball of mass 0.150 kg is dropped from rest from a height of 1.25 m. It rebounds from the floor to... Problem 12P: A tennis player receives a shot with the ball (0.060 0 kg) traveling horizontally at 50.0 m/s and... Problem 13P: A car is stopped for a traffic signal. When the light turns green, the car accelerates, increasing... Problem 14P: A 65.0-kg basketball player jumps vertically and leaves the floor with a velocity of 1.80 m/s... Problem 15P: The force shown in the force vs. time diagram in Figure P6.15 acts on a 1.5-kg object. Find (a) the... Problem 16P: A force of magnitude Fx acting in the x-direction on a 2.00-kg particle varies in time as shown in... Problem 17P: The forces shown in the force vs. time diagram in Figure P6.17 act on a 1.5-kg particle. Find (a)... Problem 18P: A 3.00-kg steel ball strikes a massive wall at 10.0 m/s at an angle of = 60.0 with the plane of the... Problem 19P: The front 1.20 m of a 1 400-kg car is designed as a crumple zone that collapses to absorb the shock... Problem 20P: A pitcher throws a 0.14-kg baseball toward the batter so that it crosses home plate horizontally and... Problem 21P: High-speed stroboscopic photographs show that the head of a 2.00 102-g golf club is traveling at... Problem 22P: A rifle with a weight of 30.0 N fires a 5.00-g bullet with a speed of 3.00 102 m/s. (a) Find the... Problem 23P: A 45.0-kg girl is standing on a 150.-kg plank. The plank, originally at rest, is free to slide on a... Problem 24P: This is a symbolic version of Problem 23. A girl of mass mG is standing on a plank of mass mp. Both... Problem 25P: Squids are the fastest marine invertebrates, using a powerful set of muscles to take in and then... Problem 26P: A 75-kg fisherman in a 125-kg boat throws a package of mass m = 15 kg horizontally toward the right... Problem 27P: A 65.0-kg person throws a 0.045 0-kg snowball forward with a ground speed of 30.0 m/s. A second... Problem 28P: Two objects of masses m1 = 0.56 kg m2 = 0.88 kg are placed on a horizontal frictionless surface and... Problem 29P: An astronaut in her space suit has a total mass of 87.0 kg, including suit and oxygen tank. Her... Problem 30P: Three ice skaters meet at the center of a rink and each stands at rest facing the center, within... Problem 31P: 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... Problem 32P: An archer shoots an arrow toward a 3.00 102-g target that is sliding in her direction at a speed of... Problem 33P: Gayle runs at a speed of 4.00 m/s and dives on a sled, initially at rest on the top of a... Problem 34P: A 75.0-kg ice skater moving at 10.0 m/s crashes into a stationary skater of equal mass. After the... Problem 35P: A railroad car of mass 2.00 104 kg moving at 3.00 m/s collides and couples with two coupled... Problem 36P: This is a symbolic version of Problem 35. A railroad car of mass M moving at a speed v1 collides and... Problem 37P: Consider the ballistic pendulum device discussed in Example 6.5 and illustrated in Figure 6.13. (a)... Problem 38P: A cue ball traveling at 4.00 m/s makes a glancing, elastic collision with a target ball of equal... Problem 39P: In a Broadway performance, an 80.0-kg actor swings from a 3.75-m-long cable that is horizontal when... Problem 40P: Two shuffleboard disks of equal mass, one orange and the other green, are involved in a perfectly... Problem 41P: A 0.030-kg bullet is fired vertically at 200 m/s into a 0.15-kg baseball that is initially at rest.... Problem 42P: An bullet of mass m = 8.00 g is fired into a block of mass M = 250 g that is initially at rest at... Problem 43P: A 12.0-g bullet is fired horizontally into a 100-g wooden block that is initially at rest on a... Problem 44P: A 1200-kg car traveling initially with a speed of 25.0 m/s in an easterly direction crashes into the... Problem 45P: A tennis ball of mass 57.0 g is held just above a basketball of mass 590 g. With their centers... Problem 46P: A space probe, initially at rest, undergoes an internal mechanical malfunction and breaks into three... Problem 47P: A 25.0-g object moving to the right at 20.0 cm/s overtakes and collides elastically with a 10.0-g... Problem 48P: A billiard ball rolling across a table at 1.50 m/s makes a head- on elastic collision with an... Problem 49P: A 90.0-kg fullback running cast with a speed of 5.00 m/s is tackled by a 95.0-kg opponent running... Problem 50P: Identical twins, each with mass 55.0 kg, are on ice skates and at rest on a frozen lake, which may... Problem 51P: A 2.00 1O3-kg car moving cast at 10.0 m/s collides with a 3.00 103-kg car moving north. The cars... Problem 52P: Two automobiles of equal mass approach an intersection. One vehicle is traveling with velocity 13.0... Problem 53P: A billiard ball moving at 5.00 m/s strikes a stationary ball of the same mass. Alter the collision,... Problem 54P: The Merlin rocket engines developed by SpaceX produce 8.01 105 N of instantaneous thrust with an... Problem 55P: One of the first ion engines on a commercial satellite used Xenon as a propellant and could eject... Problem 56P: NASAs Saturn V rockets that launched astronauts to the moon were powered by the strongest rocket... Problem 57P Problem 58P: A spaceship at rest relative to a nearby star in interplanetary space has a total mass of 2.50 104... Problem 59P: A spaceships orbital maneuver requires a speed increase of 1.20 103 m/s. If its engine has an... Problem 60AP: In research in cardiology and exercise physiology, it is often important to know the mast of blood... Problem 61AP: Most of us know intuitively that in a head-on collision between a large dump truck and a subcompact... Problem 62AP: Consider a frictionless track as shown in Figure P6.62. A block of mass m1 = 5.00 kg is released... Problem 63AP: A 2.0-g particle moving at 8.0 m/s makes a perfectly elastic head-on collision with a resting 1.0-g... Problem 64AP: A bullet of mass m and speed v passes completely through a pendulum bob of mass M as shown in Figure... Problem 65AP Problem 66AP: A 0.400-kg blue bead slides on a frictionless, curved wire, starting from rest at point in Figure... Problem 67AP: A 730-N man stands in the middle of a frozen pond of radius 5.0 m. He is unable to get to the other... Problem 68AP: An unstable nucleus of muss 1.7 1026 kg, initially at rest at the origin of a coordinate system,... Problem 69AP: Two blocks of masses m1 and m2 approach each other on a horizontal table with the same constant... Problem 70AP: Two blocks of masses m1 = 2.00 kg and m2 = 4.00 kg are each released from rest at a height of h =... Problem 71AP: A block with mass m1 = 0.500 kg is released from rest on a frictionless track at a distance h1, =... Problem 72AP: Two objects of masses m and 3m are moving toward each other along the x-axis with the same initial... Problem 73AP: A small block of mass m1 = 0.500 kg is released from rest at the top of a curved wedge of mass m2 =... Problem 74AP: A car of mass m moving at a speed v1 collides and couples with the back of a truck of mass 2m moving... Problem 75AP: A cannon is rigidly attached to a carriage, which can move along horizontal rails, but is connected... Problem 76AP: Two blocks collide on a frictionless surface. After the collision, the blocks stick together. Block... Problem 77AP: (a) A car traveling due east strikes a car traveling due north at an intersection, and the two move... Problem 78AP: A 60-kg soccer player jumps vertically upwards and heads the 0.45-kg ball as it is descending... Problem 79AP: A boy of mass mb and his girlfriend of mass mg, both wearing ice skates, face each other at rest... Problem 80AP: A 20.0-kg toboggan with 70.0-kg driver is sliding down a frictionless chute directed 30.0 below the... Problem 81AP: Measuring the speed of a bullet. A bullet of mass m is fired horizontally into a wooden block of... Problem 82AP: A flying squid (family Ommastrephidae) is able to jump off the surface of the sea by taking water... Problem 83AP: A 0.30-kg puck, initially at rest on a frictionless horizontal surface, is struck by a 0.20-kg puck... Problem 84AP: A wooden block of mass M rests on a table over a large hole as in Figure P6.84. A bullet of mass m... Problem 85AP: A 1.25-kg wooden block rests on a table over a large hole as in Figure P6.84. A 5.00-g bullet with... format_list_bulleted