Problem 1CQ Problem 2CQ Problem 3CQ: Two pucks, of mass m and 4m, lie on a frictionless table. Equal forces are used to push both pucks... Problem 4CQ Problem 5CQ Problem 6CQ Problem 7CQ Problem 8CQ: Two students stand at rest, facing each other on frictionless skates. They then start tossing a... Problem 9CQ: 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 10CQ: Automobiles are designed with crumple zones intended to collapse in a collision. Why would a... Problem 11CQ: You probably know that it feels better to catch a baseball if you are wearing a padded glove.... Problem 12CQ: In the early days of rocketry, some people claimed that rockets could-nt fly in outer space as there... Problem 14CQ: Two ice skaters, Megan and Jason, push off from each other on frictionless ice. Jasons mass is twice... Problem 15CQ: Suppose a rubber ball and a steel ball collide. Which, if either, receives the larger impulse?... Problem 16CQ: While standing still on a basketball court, you throw the ball to a teammate. Why do you not move... Problem 17CQ: To win a prize at the county fair, youre trying to knock down a heavy bowling pin by hitting it with... Problem 19CQ: Monica stands at the edge of a circular platform that is slowly rotating on a frictionless axle. She... Problem 20CQ: If the earth warms significantly, the polar ice caps will melt Water will move from the poles, near... Problem 21CQ Problem 23MCQ Problem 24MCQ: Curling is a sport played with 20 kg stones that slide across an ice surface. Suppose a curling... Problem 25MCQ Problem 26MCQ Problem 27MCQ Problem 28MCQ: A 4.0-m-diameter playground merry-go-round, with a moment of inertia of 400 kg m2, is freely... Problem 29MCQ: 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 Problem 3P: A 57 g tennis ball is served at 45 m/s. If the ball started from rest, what impulse was applied to... Problem 4P Problem 5P: A student throws a 120 g snowball at 7.5 m/s at the side of the schoolhouse, where it hits and... Problem 6P Problem 7P Problem 8P Problem 9P: Use the impulse-momentum theorem to find how long a stone falling straight down takes to increase... Problem 10P Problem 11P Problem 12P Problem 13P: 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 14P Problem 15P: As part of a safety investigation, two 1400 kg cars traveling at 20 m/s are crashed into different... Problem 17P: In a Little League baseball game, the 145 g ball reaches the batter with a speed of 15.0 m/s. The... Problem 18P Problem 19P: A small, 100 g cart is moving at 1.20 m/s on a frictionless track when it collides with a larger,... Problem 20P Problem 21P: A 2.7 kg block of wood sits on a frictionless table. A 3.0 g bullet, fired horizontally at a speed... Problem 22P Problem 23P: A 10,000 kg railroad car is rolling at 2.00 m/s when a 4000 kg load of gravel is suddenly dropped... Problem 24P Problem 25P: A 55 kg hunter, standing on frictionless ice, shoots a 42 g bullet at a speed of 620 m/s. What is... Problem 26P Problem 27P Problem 28P Problem 29P: A 71 kg baseball player jumps straight up to catch a hard-hit ball. If the 140 g ball is moving... Problem 30P Problem 31P: A kid at the junior high cafeteria wants to propel an empty milk carton along a lunch table by... Problem 32P: The parking brake on a 2000 kg Cadillac has failed, and it is rolling slowly, at 1 mph, toward a... Problem 33P: A 2.0 kg block slides along a frictionless surface at 1.0 m/s. A second block, sliding at a faster... Problem 34P: Erica (36 kg) and Danny (47 kg) are bouncing on a trampo-line. Just as Erica reaches the high point... Problem 35P: 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 37P Problem 38P: 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 39P: A firecracker in a coconut blows the coconut into three pieces. Two pieces of equal mass fly off... Problem 40P Problem 41P Problem 42P: Divers change their body position in midair while rotating about their center of mass. In one dive,... Problem 43P Problem 45P: What is the angular momentum of the moon around the earth? The moons mass is 7.4 1022 kg and it... Problem 46GP Problem 47GP Problem 48GP Problem 49GP Problem 50GP Problem 51GP Problem 53GP: A 140 g baseball is moving horizontally to the right at35 m/s when it is hit by the bat. The ball... Problem 54GP: A tennis player swings her 1000 g racket with a speed of 10 m/s. She hits a 60 g tennis ball that... Problem 55GP: 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 56GP: Dan is gliding on his skateboard at 4.0 m/s. He suddenly jumps backward off the skateboard, kicking... Problem 57GP: Ethan, whose mass is 80 kg, stands at one end of a very long, stationary wheeled cart that has a... Problem 58GP: Three identical train cars, coupled together, are rolling east at 2.0 m/s. A fourth car traveling... Problem 59GP: 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 60GP: Most geologists believe that the dinosaurs became extinct 65 million years ago when a large comet or... Problem 61GP: Two ice skaters, with masses of 75 kg and 55 kg, stand facing each other on a 15-m-wide frozen... Problem 62GP Problem 63GP: One billiard ball is shot east at 2.00 m/s. A second, identical billiard ball is shot west at 1.00... Problem 64GP: 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 65GP: A typical raindrop is much more massive than a mosquito and falling much faster than a mosquito... Problem 66GP: 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 67GP Problem 69GP: 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 71GP: A spaceship of mass 2.0 106 kg is cruising at a speed of 5.0 106 m/s when the antimatter reactor... Problem 72GP: At the county fair, Chris throws a 0.15 kg baseball at a 2.0 kg wooden milk bottle, hoping to knock... Problem 73GP Problem 74GP: The carbon isotope 14C is used for carbon dating of archeological artifacts. 14C (mass 2.34 1026... Problem 75GP Problem 76GP: A 2.0 kg, 20-cm-diameter turntable rotates at 100 rpm on frictionless bearings. Two 500 g blocks... Problem 77GP Problem 78GP: A 3.0-m-diameter merry-go-round with a mass of 250 kg is spinning at 20 rpm. John runs around the... Problem 79GP: Disk A, with a mass of 2.0 kg and a radius of 40 cm, rotates clockwise about a frictionless vertical... 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... Problem 83MSPP: Consider a golf club hitting a golf ball. To a good approximation, we can model this as a collision... format_list_bulleted