Problem 1Q: Figure 9-23 shows an overhead view of three particles on which external forces act. The magnitudes... Problem 2Q: Figure 9-24 shows an overhead view of four particles of equal mass sliding over a frictionless... Problem 3Q: Consider a box that explodes into two pieces while moving with a constant positive velocity along an... Problem 4Q: Figure 9-26 shows graphs of force magnitude versus time for a body involved in a collision. Rank the... Problem 5Q: The free-body diagrams in Fig. 9-27 give, from overhead views, the horizontal forces acting on three... Problem 6Q: Figure 9-28 shows four groups of three or four identical particles that move parallel to either the... Problem 7Q: A block slides along a frictionless floor and into a stationary second block with the same mass.... Problem 8Q: Figure 9-30 shows a snapshot of block 1 as it slides along an x axis on a frictionless floor, before... Problem 9Q: Two bodies have undergone an elastic one-dimensional collision along an x axis. Figure 9-31 is a... Problem 10Q: Figure 9-32: A block on a horizontal floor is initially either stationary, sliding in the positive... Problem 11Q: Block 1 with mass m1 slides along an x axis across a frictionless floor and then undergoes an... Problem 12Q: Figure 9-34 shows four graphs of position versus time for two bodies and their center of mass. The... Problem 1P: A 2.00 kg particle has the xy coordinates 1.20 m, 0.500 m, and a 4.00 kg particle has the xy... Problem 2P: Figure 9-35 shows a three-particle system, with masses m1 = 3.0 kg, m2 = 4.0 kg, and m3 = 8.0 kg.... Problem 3P: Figure 9-36 shows a slab with dimensions d1 = 11.0 cm, d2 = 2.80 cm, and d3 = 13.0 cm. Half the slab... Problem 4P: In Fig. 9-37, three uniform thin rods, each of length L = 22 cm, form an inverted U. The vertical... Problem 5P: GO What are a the x coordinate and b the y coordinate of the center of mass for the uniform plate... Problem 6P: Figure 9-39 shows a cubical box that has been constructed from uniform metal plate of negligible... Problem 7P: ILW In the ammonia NH3 molecule of Fig. 9-40, three hydrogen H atoms form an equilateral triangle,... Problem 8P: GO A uniform soda can of mass 0.140 kg is 12.0 cm tall and filled with 0.354 kg of soda Fig. 9-41.... Problem 9P: ILW A stone is dropped at t = 0. A second stone, with twice the mass of the first, is dropped from... Problem 10P: GO A 1000 kg automobile is at rest at a traffic signal. At the instant the light turns green, the... Problem 11P: A big olive m = 0.50 kg lies at the origin of an xy coordinate system, and a big Brazil nut M = 1.5... Problem 12P Problem 13P: SSM A shell is shot with an initial velocity v0 of 20 m/s, at an angle of 0 = 60 with the... Problem 14P: In Figure 9-43, two particles are launched from the origin of the coordinate system at time t = 0.... Problem 15P: Figure 9-44 shows an arrangement with an air track, in which a cart is connected by a cord to a... Problem 16P: GO Ricardo, of mass 80 kg, and Carmelita, who is lighter, are enjoying Lake Merced at dusk in a 30... Problem 17P: GO In Fig. 9-45a, a 4.5 kg dog stands on an 18 kg flatboat at distance D = 6.1 m from the shore. It... Problem 18P: A 0.70 kg ball moving horizontally at 5.0 m/s strikes a vertical wall and rebounds with speed 2.0... Problem 19P: ILW A 2100 kg truck traveling north at 41 km/h turns east and accelerates to 51 km/h. a What is the... Problem 20P: GO At time t = 0, a ball is struck at ground level and sent over level ground. The momentum p versus... Problem 21P: A 0.30 kg softball has a velocity of 15 m/s at an angle of 35 below the horizontal just before... Problem 22P: Figure 9-47 gives an overhead view of the path taken by a 0.165 kg cue ball as it bounces from a... Problem 23P: Until his seventies, Henri LaMothe Fig. 9-48 excited audiences by belly-flopping from a height of 12... Problem 24P: In February 1955, a paratrooper fell 370 m from an airplane without being able to open his chute but... Problem 25P: A 1.2 kg ball drops vertically onto a floor, hitting with a speed of 25 m/s. It rebounds with an... Problem 26P: In a common but dangerous prank, a chair is pulled away as a person is moving downward to sit on it,... Problem 27P: SSM A force in the negative direction of an x axis is applied for 27 ms to a 0.40 kg ball initially... Problem 28P: In tae-kwon-do, a hand is slammed down onto a target at a speed of 13 m/s and comes to a stop during... Problem 29P: Suppose a gangster sprays Supermans chest with 3 g bullets at the rate of 100 bullets/min, and the... Problem 30P: Two average forces. A steady stream of 0.250 kg snowballs is shot perpendicularly into a wall at a... Problem 31P: Jumping up before the elevator hits. After the cable snaps and the safety system fails, an elevator... Problem 32P: A 5.0 kg toy car can move along an x axis; Fig. 9-50 gives Fx of the force acting on the car, which... Problem 33P: GO Figure 9-51 shows a 0.300 kg baseball just before and just after it collides with a bat. Just... Problem 34P: Basilisk lizards can run across the top of a water surface Fig. 9-52. With each step, a lizard first... Problem 35P: GO Figure 9-53 shows an approximate plot of force magnitude F versus time t during the collision of... Problem 36P: A 0.25 kg puck is initially stationary on an ice surface with negligible friction. At time t = 0, a... Problem 37P: SSM A soccer player kicks a soccer ball of mass 0.45 kg that is initially at rest. The foot of the... Problem 38P: In the overhead view of Fig. 9-54, a 300 g ball with a speed v of 6.0 m/s strikes a wall at an angle... Problem 39P: SSM A 91 kg man lying on a surface of negligible friction shoves a 68 g stone away from himself,... Problem 40P: A space vehicle is traveling at 4300 km/h relative to Earth when the exhausted rocket motor mass 4m... Problem 41P: Figure 9-55 shows a two-ended rocket that is initially stationary on a frictionless floor, with its... Problem 42P: An object, with mass m and speed v relative to an observer, explodes into two pieces, one three... Problem 43P: In the Olympiad of 708 B.C., some athletes competing in the standing long jump used handheld weights... Problem 44P Problem 45P: SSM WWW A 20.0 kg body is moving through space in the positive direction of an x axis with a speed... Problem 46P: A 4.0 kg mess kit sliding on a frictionless surface explodes into two 2.0 kg parts: 3.0 m/s, due... Problem 47P: A vessel at rest at the origin of an xy coordinate system explodes into three pieces. Just after the... Problem 48P: GO Particle A and particle B are held together with a compressed spring between them. When they are... Problem 49P: A bullet of mass 10 g strikes a ballistic pendulum of mass 2.0 kg. The center of mass of the... Problem 50P: A 5.20 g bullet moving at 672 m/s strikes a 700 g wooden block at rest on a frictionless surface.... Problem 51P: GO In Fig. 9-58, a 3.50 g bullet is fired horizontally at two blocks at rest on a frictionless... Problem 52P: GO In Fig. 9-59, a 10 g bullet moving directly upward at 1000 m/s strikes and passes through the... Problem 53P Problem 54P: A completely inelastic collision occurs between two balls of wet putty that move directly toward... Problem 55P: ILW A 5.0 kg block with a speed of 3.0 m/s collides with a 10 kg block that has a speed of 2.0 m/s... Problem 56P: In the before part of Fig. 9-60, car A mass 1100 kg is stopped at a traffic light when it is... Problem 57P Problem 58P: In Fig. 9-62, block 2 mass 1.0 kg is at rest on a frictionless surface and touching the end of an... Problem 59P: ILW In Fig. 9-63, block 1 mass 2.0 kg is moving rightward at 10 m/s and block 2 mass 5.0 kg is... Problem 60P: Module 9-7 Elastic Collisions in One Dimension In Fig. 9-64, block A mass 1.6 kg slides into block B... Problem 61P: SSM A cart with mass 340 g moving on a frictionless linear air track at an initial speed of 1.2 m/s... Problem 62P: Two titanium spheres approach each other head-on with the same speed and collide elastically. After... Problem 63P: Block 1 of mass m1 slides along a frictionless floor and into a one-dimensional elastic collision... Problem 64P: GO A steel ball of mass 0.500 kg is fastened to a cord that is 70.0 cm long and fixed at the far... Problem 65P: SSM A body of mass 2.0 kg makes an elastic collision with another body at rest and continues to move... Problem 66P: Block 1, with mass m1 and speed 4.0 m/s, slides along an x axis on a frictionless floor and then... Problem 67P: In Fig. 9-66, particle 1 of mass m1 = 0.30 kg slides rightward along an x axis on a frictionless... Problem 68P: GO In Fig. 9-67, block 1 of mass m1 slides from rest along a frictionless ramp from height h = 2.50... Problem 69P: GO A small ball of mass m is aligned above a larger ball of mass M = 0.63 kg with a slight... Problem 70P: GO In Fig. 9-69, puck 1 of mass m1 = 0.20 kg is sent sliding across a frictionless lab bench, to... Problem 71P Problem 72P: Ball B, moving in the positive direction of an x axis at speed v, collides with stationary ball A at... Problem 73P: After a completely inelastic collision, two objects of the same mass and same initial speed move... Problem 74P: Two 2.0 kg bodies, A and B, collide. The velocities before the collision are vA=(15i+30j) m/s and... Problem 75P: GO A projectile proton with a speed of 500 m/s collides elastically with a target proton initially... Problem 76P: A 6090 kg space probe moving nose-first toward Jupiter at 105 m/s relative to the Sun fires its... Problem 77P: SSM In Fig. 9-70, two long barges are moving in the same direction in still water, one with a speed... Problem 78P Problem 79P: SSM ILW A rocket that is in deep space and initially at rest relative to an inertial reference frame... Problem 80P: An object is tracked by a radar station and determined to have a position vector given by... Problem 81P: The last stage of a rocket, which is traveling at a speed of 7600 m/s, consists of two parts that... Problem 82P: Pancake collapse of a tall building. In the section of a tall building shown in Fig. 9-71a, the... Problem 83P Problem 84P: Figure 9-73 shows an overhead view of two particles sliding at constant velocity over a frictionless... Problem 85P: Speed deamplifier. In Fig. 9-74, block 1 of mass m1 slides along an x axis on a frictionless floor... Problem 86P: Speed amplifier. In Fig. 9-75, block 1 of mass m1 slides along an x axis on a frictionless floor... Problem 87P: A ball having a mass of 150 g strikes a wall with a speed of 5.2 m/s and rebounds with only 50 of... Problem 88P: A spacecraft is separated into two parts by detonating the explosive bolts that hold them together.... Problem 89P: SSM A 1400 kg car moving at 5.3 m/s is initially traveling north along the positive direction of a y... Problem 90P: ILW A certain radioactive parent nucleus transforms to a different daughter nucleus by emitting an... Problem 91P: A 75 kg man rides on a 39 kg cart moving at a velocity of 2.3 m/s. He jumps off with zero horizontal... Problem 92P: Two blocks of masses 1.0 kg and 3.0 kg are connected by a spring and rest on a frictionless surface.... Problem 93P Problem 94P: An old Chrysler with mass 2400 kg is moving along a straight stretch of road at 80 km/h. It is... Problem 95P: SSM In the arrangement of Fig. 9-21, billiard ball 1 moving at a speed of 2.2 m/s undergoes a... Problem 96P: A rocket is moving away from the solar system at a speed of 6.0 103 m/s. It fires its engine, which... Problem 97P: The three balls in the overhead view of Fig. 9-76 are identical. Balls 2 and 3 touch each other and... Problem 98P: A 0.15 kg ball hits a wall with a velocity of 5.00 m/s i 6.50 m/s j 4.00 m/s k. It rebounds from... Problem 99P Problem 100P: In a game of pool, the cue ball strikes another ball of the same mass and initially at rest. After... Problem 101P Problem 102P: In Fig. 9-79, an 80 kg man is on a ladder hanging from a balloon that has a total mass of 320 kg... Problem 103P: In Fig. 9 80, block 1 of mass m1 = 6.6 kg is at rest on a long frictionless table that is up against... Problem 104P Problem 105P: SSM A 3.0 kg object moving at 8.0 m/s in the positive direction of an x axis has a one-dimensional... Problem 106P: A 2140 kg railroad flatcar, which can move with negligible friction, is motionless next to a... Problem 107P: SSM A 6100 kg rocket is set for vertical firing from the ground. If the exhaust speed is 1200 m/s,... Problem 108P: A 500.0 kg module is attached to a 400.0 kg shuttle craft, which moves at 1000 m/s relative to the... Problem 109P: SSM a How far is the center of mass of the Earth-Moon system from the center of Earth? Appendix C... Problem 110P: A 140 g ball with speed 7.8 m/s strikes a wall perpendicularly and rebounds in the opposite... Problem 111P: SSM A rocket sled with a mass of 2900 kg moves at 250 m/s on a set of rails. At a certain point, a... Problem 112P: SSM A pellet gun fires ten 2.0 g pellets per second with a speed of 500 m/s. The pellets are stopped... Problem 113P: A railroad car moves under a grain elevator at a constant speed of 3.20 m/s. Grain drops into the... Problem 114P: Figure 9-82 shows a uniform square plate of edge length 6d = 6.0 m from which a square piece of edge... Problem 115P: SSM At time t = 0, force F1=(4.00i+5.00j) N acts on an initially stationary particle of mass 2.00 ... Problem 116P: Two particles P and Q are released from rest 1.0 m apart. P has a mass of 0.10 kg, and Q a mass of... Problem 117P: A collision occurs between a 2.00 kg particle traveling with velocity v1=(4.00m/s) i +(5.00m/s) j ... Problem 118P: In the two-sphere arrangement of Fig. 9-20, assume that sphere 1 has a mass of 50 g and an initial... Problem 119P: In Fig. 9-83, block 1 slides along an x axis on a frictionless floor with a speed of 0.75 m/s. When... Problem 120P: A body is traveling at 2.0 m/s along the positive direction of an x axis; no net force acts on the... Problem 121P: An electron undergoes a one-dimensional elastic collision with an initially stationary hydrogen... Problem 122P Problem 123P: An unmanned space probe of mass m and speed v relative to the Sun approaches the planet Jupiter of... Problem 124P: A 0.550 kg ball falls directly down onto concrete, hitting it with a speed of 12.0 m/s and... Problem 125P: An atomic nucleus at rest at the origin of an xy coordinate system transforms into three particles.... Problem 126P: Particle 1 of mass 200 g and speed 3.00 m/s undergoes a onedimensional collision with stationary... Problem 127P: During a lunar mission, it is necessary to increase the speed of a spacecraft by 2.2 m/s when it is... Problem 128P format_list_bulleted