Problem 1EA: Distinguish between what a physicist and a politician might each mean when using the term energy... Problem 2EA: If the population in a certain country was discovered to be increasing at a steady rate of 6 percent... Problem 1AA: Describe the basic features of the “lighthouse” model of a pulsar, and indicate how they combine to... Problem 2AA Problem 1PIP Problem 1MIO Problem 2MIO: Repeat Exercise I for Section 3.2 on linear momentum and relate your concept map directly to Concept... Problem 1Q: (Indicates a review question, which means it requires only a basic understanding of the material to... Problem 2Q: (Indicates a review question, which means it requires only a basic understanding of the material to... Problem 3Q: (Indicates a review question, which means it requires only a basic understanding of the material to... Problem 4Q: (Indicates a review question, which means it requires only a basic understanding of the material to... Problem 5Q: (Indicates a review question, which means it requires only a basic understanding of the material to... Problem 6Q: (Indicates a review question, which means it requires only a basic understanding of the material to... Problem 7Q: (Indicates a review question, which means it requires only a basic understanding of the material to... Problem 8Q Problem 9Q: (Indicates a review question, which means it requires only a basic understanding of the material to... Problem 10Q Problem 11Q: (Indicates a review question, which means it requires only a basic understanding of the material to... Problem 12Q Problem 13Q: (Indicates a review question, which means it requires only a basic understanding of the material to... Problem 14Q: (Indicates a review question, which means it requires only a basic understanding of the material to... Problem 15Q: (Indicates a review question, which means it requires only a basic understanding of the material to... Problem 16Q Problem 17Q Problem 18Q: (Indicates a review question, which means it requires only a basic understanding of the material to... Problem 19Q: (Indicates a review question, which means it requires only a basic understanding of the material to... Problem 20Q: (Indicates a review question, which means it requires only a basic understanding of the material to... Problem 21Q Problem 22Q: (Indicates a review question, which means it requires only a basic understanding of the material to... Problem 23Q: (Indicates a review question, which means it requires only a basic understanding of the material to... Problem 24Q: (Indicates a review question, which means it requires only a basic understanding of the material to... Problem 25Q Problem 26Q: (Indicates a review question, which means it requires only a basic understanding of the material to... Problem 27Q: (Indicates a review question, which means it requires only a basic understanding of the material to... Problem 28Q Problem 29Q: (Indicates a review question, which means it requires only a basic understanding of the material to... Problem 30Q Problem 31Q Problem 32Q Problem 33Q: (Indicates a review question, which means it requires only a basic understanding of the material to... Problem 34Q Problem 35Q: (¦ Indicates a review question, which means it requires only a basic understanding of the material... Problem 1P: A sprinter with a mass of 65 kg reaches a speed of 10 m/s during a race. Find the sprinter’s linear... Problem 2P: Which has the larger linear momentum: a 2,000-kg houseboat going 5 m/s or a 600-kg speedboat going... Problem 3P: In Section 2.4, we computed the force needed to accelerate a 1,000-kg car from 0 to 27 m/s in 10 s.... Problem 4P: A runner with a mass of 80 kg accelerates from 0 to 9 m/s in 3 s. Find the net force on the runner... Problem 5P: In Section 1.4, we considered the collision of a karate expert’s hand with a concrete block. Based... Problem 6P: A basketball with a mass of 0.62 kg falls vertically to the floor where it hits with a speed of 6... Problem 7P: A pitcher throws a 0.5-kg ball of clay at a 6-kg block of wood. The clay sticks to the wood on... Problem 8P: A 3,000-kg truck runs into the rear of a 1,000-kg car that was stationary. The truck and car are... Problem 9P: A 50-kg boy on roller skates moves with a speed of 5 m/s. He runs into a 40-kg girl on skates.... Problem 10P: . Two persons on ice skates stand face to face and then push each other away (Figure 3.45). Their... Problem 11P: . A loaded gun is dropped on a frozen lake. The gun fires, with the bullet going horizontally in one... Problem 12P: . A running back with a mass of 80 kg and a speed of 8 m/s collides with, and is held by, a 120-kg... Problem 13P: . A motorist runs out of gas on a level road 200 m from a gas station. The driver pushes the... Problem 14P: . In Figure 3.10, the rock weighs 100 lb and is lifted 1 ft by the lever. (a) How much work is done?... Problem 15P: . A weight lifter raises a 100-kg barbell to a height of 2.2 m. What is the barbell’s potential... Problem 16P Problem 17P: . A personal watercraft and rider have a combined mass of 400 kg. What is their kinetic energy when... Problem 18P: As it orbits Earth, the 11,000-kg Hubble Space Telescope travels at a speed of 7,900 m/s and is... Problem 19P: . The kinetic energy of a motorcycle and rider is 60,000J. If their total mass is 300 kg, what is... Problem 20P: . In compressing the spring in a toy dart gun, 0.5J of work is done. When the gun is fired, the... Problem 21P: . An archer using a simple bow exerts a force of 180 N to draw back the bow string 0.50 m. (a) What... Problem 22P: A worker at the top of a 629-m-tall television transmitting tower in North Dakota accidentally drops... Problem 23P: . A 25-kg child uses a pogo stick to bounce up and down. The spring constant k, of the toy equals... Problem 24P: . A student drops a water balloon out of a dorm window 12 m above the ground. What is its speed when... Problem 25P: . A child on a swing has a speed of 7.7 m/s at the low point of the arc (Figure 3.46). How high will... Problem 26P: . The cliff divers at Acapulco, Mexico, jump off a cliff 26.7 m above the ocean. Ignoring air... Problem 27P: . At NASA's Zero Gravity Research Facility in Cleveland, Ohio, experimental payloads fall freely... Problem 28P: . The fastest that a human has run is about 12 m/s. (a) If a pole vaulter could run this fast and... Problem 29P: . A bicycle and rider going 10 m/s approach a hill. Their total mass is 80 kg. (a) What is their... Problem 30P: . In January 2003, an 18-year-old student gained a bit of fame for surviving—with only minor... Problem 31P: The ceiling of an arena is 20 m above the floor. What is the minimum speed that a thrown ball would... Problem 32P: . Compute how much kinetic energy was “lost” in the inelastic collision in Problem 8. Problem 33P: Compute how much kinetic energy was “lost” in the inelastic collision in Problem 9. Problem 34P: . A 1,000-W motor powers a hoist used to lift cars at a service station. (a) How much time would it... Problem 35P: . How long does it take a worker producing 200 W of power to do 10,000 J of work? Problem 36P: . An elevator is able to raise 1,000 kg to a height of 40 m in 15 s. (a) How much work does the... Problem 37P: . A particular hydraulic pile driver uses a ram with a mass of 1040 kg. If the maximum pile energy... Problem 38P: . A compact car can climb a hill in 10 s. The top of the hill is 30 in higher than the bottom, and... Problem 39P: . In the annual Empire State Building race, contestants run up 1,575 steps to a height of 1,050 ft.... Problem 40P: . It takes 100 minutes for a middle-aged physics professor to ride his bicycle up the road to Alpe... Problem 41P: . Two small 0.25-kg masses are attached to opposite ends of a very lightweight rigid rod 0.5 m long.... Problem 1C: Rank the following three collisions in terms of the extent of damage that the car would experience.... Problem 2C: A bullet with a mass of 0.01 kg is tired horizontally into a block of wood hanging on a string. The... Problem 3C: In a head-on, inelastic collision, a 4,000-kg truck going 10 m/s east strikes a 1,000-kg car going... Problem 4C Problem 5C Problem 6C: The "shot" used in the shot-put event is a metal ball with a mass of 7.3 kg. When thrown in Olympic... Problem 7C Problem 8C Problem 9C: A series of five 0.1-kg spheres are arrayed along a thin, lightweight rigid rod with length 0.5 m at... format_list_bulleted