Problem 1CQ: Rank in order, from largest to smallest, the momenta p1x through p5x of the objects presented in... Problem 2CQ: Starting from rest, object 1 is subject to a 12 N force for 2.0 s. Object 2, with twice the mass, is... Problem 3CQ: A 0.2 kg plastic cart and a 20 kg lead cart can roll without friction on a horizontal surface. Equal... Problem 4CQ: Two pucks, of mass m and 4m, lie on a frictionless table. Equal forces are used to push both pucks... Problem 5CQ Problem 6CQ: Two students stand at rest, facing each other on frictionless skates. They then start tossing a... Problem 7CQ: A 2 kg cart rolling to the right at 3 m/s runs into a 3 kg cart rolling to the left. After the... Problem 8CQ: Automobiles are designed with crumple zones intended to collapse in a collision. Why would a... Problem 9CQ: You probably know that it feels better to catch a baseball if you are wearing a padded glove.... Problem 10CQ: In the early days of rocketry, some people claimed that rockets could-nt fly in outer space as there... Problem 11CQ: Two ice skaters, Megan and Jason, push off from each other on frictionless ice. Jasons mass is twice... Problem 12CQ: Suppose a rubber ball and a steel ball collide. Which, if either, receives the larger impulse?... Problem 13CQ: While standing still on a basketball court, you throw the ball to a teammate. Why do you not move... Problem 14CQ: To win a prize at the county fair, youre trying to knock down a heavy bowling pin by hitting it with... Problem 15CQ: Rank in order, from largest to smallest, the angular momenta L1, through L5 of the balls shown in... Problem 16CQ: Monica stands at the edge of a circular platform that is slowly rotating on a frictionless axle. She... Problem 17CQ: If the earth warms significantly, the polar ice caps will melt Water will move from the poles, near... Problem 18CQ: The disks shown in Figure Qg.181 have equal mass. Is the angular momentum of disk 2, on the right,... Problem 19MCQ: Curling is a sport played with 20 kg stones that slide across an ice surface. Suppose a curling... Problem 20MCQ: Two balls are hung from cords. The first ball, of mass 1.0 kg, is pulled to the side and released,... Problem 21MCQ: Figure Q9.21 shows two blocks sliding on a frictionless surface. Eventually the smaller block... Problem 22MCQ: Two friends are sitting in a stationary canoe. At t = 3.0 s the person at the front tosses a sack to... Problem 23MCQ: Two blocks, with masses m1, = 2.5 kg and m2 = 14 kg, approach each other along a horizontal,... Problem 24MCQ: A small puck is sliding to the right with momentumpi, on a horizontal, frictionless surface, as... Problem 25MCQ: A red ball, initially at rest, is simultaneously hit by a blue ball traveling from west to east at 3... Problem 26MCQ: A 4.0-m-diameter playground merry-go-round, with a moment of inertia of 400 kg m2, is freely... Problem 27MCQ: A disk rotates freely on a vertical axis with an angular velocity of 30 rpm. An identical disk... Problem 1P: At what speed do a bicycle and its rider, with a combined mass of 100 kg, have the same momentum as... Problem 2P: A 57 g tennis ball is served at 45 m/s. If the ball started from rest, what impulse was applied to... Problem 3P: A student throws a 120 g snowball at 7.5 m/s at the side of the schoolhouse, where it hits and... Problem 4P: In Figure P9.4, what value of Fmax gives an impulse of 6.0 N s? Figure P9.4 Problem 5P: A sled and rider, gliding over horizontal, frictionless ice at 4.0 m/s, have a combined mass of 80... Problem 6P: Use the impulse-momentum theorem to find how long a stone falling straight down takes to increase... Problem 7P: a. A 2.0 kg object is moving to the right with a speed of 1.0 m/s when it experiences the force... Problem 8P: A 60 g tennis ball with an initial speed of 32 m/s hits a wall and rebounds with the same speed.... Problem 9P: A child is sliding on a sled at 1.5 m/s to the right. You stop the sled by pushing on it for 0.50 s... Problem 10P: An ice hockey puck slides along the ice at 12 m/s. A hockey stick delivers an impulse of 4.0 kg ... Problem 11P: As part of a safety investigation, two 1400 kg cars traveling at 20 m/s are crashed into different... Problem 12P: In a Little League baseball game, the 145 g ball reaches the batter with a speed of 15.0 m/s. The... Problem 13P: A small, 100 g cart is moving at 1.20 m/s on a frictionless track when it collides with a larger,... Problem 14P: A man standing on very slick ice fires a rifle horizontally. The mass of the man together with the... Problem 15P: A 2.7 kg block of wood sits on a frictionless table. A 3.0 g bullet, fired horizontally at a speed... Problem 16P: A strong man is compressing a lightweight spring between two weights. One weight has a mass of 2.3... Problem 17P: A 10,000 kg railroad car is rolling at 2.00 m/s when a 4000 kg load of gravel is suddenly dropped... Problem 18P: A 5000 kg t rain car, with its top open, is rolling on frictionless rails at 22.0 m/s when it starts... Problem 19P: A 55 kg hunter, standing on frictionless ice, shoots a 42 g bullet at a speed of 620 m/s. What is... Problem 20P: A 9.5 kg dog takes a nap in a canoe and wakes up to find the canoe has drifted out onto the lake but... Problem 21P Problem 22P: A 71 kg baseball player jumps straight up to catch a hard-hit ball. If the 140 g ball is moving... Problem 23P: A kid at the junior high cafeteria wants to propel an empty milk carton along a lunch table by... Problem 24P: The parking brake on a 2000 kg Cadillac has failed, and it is rolling slowly, at 1 mph, toward a... Problem 25P: A 2.0 kg block slides along a frictionless surface at 1.0 m/s. A second block, sliding at a faster... Problem 26P: Erica (36 kg) and Danny (47 kg) are bouncing on a trampo-line. Just as Erica reaches the high point... Problem 27P: At a wild-west show, a marksman fires a bullet at a 12 g coin thats thrown straight up into the air.... Problem 28P: A 20 g ball of clay traveling east at 3.0 m/s collides with a 30 g ball of clay traveling north at... Problem 29P: Two particles collide and bounce apart. Figure P9.29 shows the initial momenta of both and the final... Problem 30P: A 20 g ball of clay traveling east at 2.0 m/s collides with a 30 g ball of clay traveling 30 south... Problem 31P: A firecracker in a coconut blows the coconut into three pieces. Two pieces of equal mass fly off... Problem 32P: What is the angular momentum of the moon around the earth? The moons mass is 7.4 1022 kg and it... Problem 33P: A little girl is going on the merry-go-round for the first time, and wants her 47 kg mother to stand... Problem 34P: What is the angular momentum about the axle of the 500 g rotating bar in Figure P9.34? Figure P9.34 Problem 35P: What is the angular momentum about the axle of the 2.0 kg, 4.0-cm-diametre rotating disk Figure... Problem 36P: Divers change their body position in midair while rotating about their center of mass. In one dive,... Problem 37P Problem 38GP: What is the impulse on a 3.0 kg particle that experiences the force described by the graph in Figure... Problem 39GP: A 600 g air-track glider collides with a spring at one end of the track. Figure P9.39 shows the... Problem 40GP: Far in space, where gravity is negligible, a 425 kg rocket traveling at 75.0 m/s in the positive... Problem 41GP: A 200 g ball is dropped from a height of 2.0 m, bounces on a hard floor, and rebounds to a height of... Problem 42GP: A 200 g ball is dropped from a height of 2.0 m and bounces on a hard floor. The force on the ball... Problem 43GP: Figure P9.43 is a graph of the force exerted by the floor on a woman making a vertical jump. At what... Problem 44GP: A sled slides along a horizontal surface for which the coefficient of kinetic friction is 0.25. Its... Problem 45GP: A 140 g baseball is moving horizontally to the right at35 m/s when it is hit by the bat. The ball... Problem 46GP: Squids rely on jet propulsion, a versatile technique to move around in water. A 1.5 kg squid at rest... Problem 47GP: The flowers of the bunchberry plant open with astonishing force and speed, causing the pollen grains... Problem 48GP: a. With what speed are pollen grains ejected from a bunch-berry flower? See Problem 47 for... Problem 49GP: A tennis player swings her 1000 g racket with a speed of 10 m/s. She hits a 60 g tennis ball that... Problem 50GP: A 20 g ball of clay is thrown horizontally at 30 m/s toward a 1.0 kg block sitting at rest on a... Problem 51GP: Dan is gliding on his skateboard at 4.0 m/s. He suddenly jumps backward off the skateboard, kicking... Problem 52GP: James and Sarah stand on a stationary cart with frictionless wheels. The total mass of the cart and... Problem 53GP: Ethan, whose mass is 80 kg, stands at one end of a very long, stationary wheeled cart that has a... Problem 54GP: A small cart rolls freely along the floor. As it rolls, balls of clay, each having one-fourth the... Problem 55GP: Three identical train cars, coupled together, are rolling east at 2.0 m/s. A fourth car traveling... Problem 56GP: A 110 kg linebacker running at 2.0 m/s and an 82 kg quarter-back running at 3.0 m/s have a head-on... Problem 57GP: Most geologists believe that the dinosaurs became extinct 65 million years ago when a large comet or... Problem 58GP: Two ice skaters, with masses of 75 kg and 55 kg, stand facing each other on a 15-m-wide frozen... Problem 59GP Problem 60GP: One billiard ball is shot east at 2.00 m/s. A second, identical billiard ball is shot west at 1.00... Problem 61GP: A 10 g bullet is fired into a 10 kg wood block that is at rest on a wood table. The block, with the... Problem 62GP: A typical raindrop is much more massive than a mosquito and falling much faster than a mosquito... Problem 63GP: A 15 g bullet is fired at 610 m/s into a 4.0 kg block that sits at the edge of a 75-cm-high table.... Problem 65GP: Two 500 g blocks of wood are 2.0 m apart on a frictionless table. A 10 g bullet is fired at 400 m/s... Problem 66GP: A 495 kg cannon fires a 10.0 kg cannonball with a speed of 211 m/s relative to the muzzle. The... Problem 67GP: Laura, whose mass is 35 kg, jumps horizontally off a 55 kg canoe at 1.5 m/s relative to the canoe.... Problem 68GP: A spaceship of mass 2.0 106 kg is cruising at a speed of 5.0 106 m/s when the antimatter reactor... Problem 69GP: At the county fair, Chris throws a 0.15 kg baseball at a 2.0 kg wooden milk bottle, hoping to knock... Problem 70GP: Figure P9.70 shows a collision between three balls of clay. The three hit simultaneously and stick... Problem 71GP: The carbon isotope 14C is used for carbon dating of archeological artifacts. 14C (mass 2.34 1026... Problem 72GP: A 1.0-m-long massless rod is pivoted at one end and swings around in a circle on a frictionless... Problem 73GP: A 200 g puck revolves in a circle on a frictionless table at the end of a 50.0-cm-long string. The... Problem 74GP: Figure P9.74 shows a 100 g puck revolving at 100 rpm on a 20-cm-radius circle on a friction less... Problem 75GP: A 2.0 kg, 20-cm-diameter turntable rotates at 100 rpm on frictionless bearings. Two 500 g blocks... Problem 76GP: Joey, from Example 9.10, stands at rest at the outer edge of the frictionless merry-go-round of... Problem 77GP: A 3.0-m-diameter merry-go-round with a mass of 250 kg is spinning at 20 rpm. John runs around the... Problem 78GP: Disk A, with a mass of 2.0 kg and a radius of 40 cm, rotates clockwise about a frictionless vertical... Problem 79MSPP: Consider a golf club hitting a golf ball. To a good approximation, we can model this as a collision... Problem 80MSPP: Consider a golf club hitting a golf ball. To a good approximation, we can model this as a collision... Problem 81MSPP: Consider a golf club hitting a golf ball. To a good approximation, we can model this as a collision... Problem 82MSPP: Consider a golf club hitting a golf ball. To a good approximation, we can model this as a collision... format_list_bulleted