Problem 1CQ: a Write a paragraph describing the particle model. What is it, and why is it important? b. Give two... Problem 2CQ: A softball player slides into second base. Use the particle model to draw a motion diagram of the... Problem 3CQ: A car travels to the left at a steady speed for a few seconds, then brakes for a stop sign. Use the... Problem 4CQ: A ball is dropped from the roof of a tall building and students in a physics class are asked to... Problem 5CQ: Write a sentence or two describing the difference between position and displacement. Give one... Problem 6CQ: Give an example of a trip you might take in your car for which the distance traveled as measured on... Problem 7CQ: Write a sentence or two describing the difference between speed and velocity. Give one example of... Problem 8CQ: The motion of a skateboard along a horizontal axis is observed for 5 s. The initial position of the... Problem 9CQ: You are standing on a straight stretch of road and watching the motion of a bicycle; you choose your... Problem 10CQ: Two friends watch a jogger complete a 400 m lap around the track in 100 s. One of the friends... Problem 11CQ: A softball player hits the ball and starts running toward first base. Draw a motion diagram, using... Problem 12CQ: A child is sledding on a smooth, level patch of snow. She encounters a rocky patch and slows to a... Problem 13CQ: A skydiver jumps out of an airplane. Her speed steadily increases until she deploys her parachute,... Problem 14CQ: Your roommate drops a tennis ball from a third-story balcony. It hits the sidewalk and bounces as... Problem 15CQ: A car is driving north at a steady speed. It makes a gradual 90 left turn without losing speed, then... Problem 16CQ: A toy car rolls down a ramp, then across a smooth, horizontal floor. Draw a motion diagram, using... Problem 17CQ: Density is the ratio of an object's mass to its volume. Would you expect density to be a vector or a... Problem 18MCQ: A student walks 1.0 mi west and then 1.0 mi north. Afterward, how far is she from her starting... Problem 19MCQ: You throw a rock upward. The rock is moving upward, but it is slowing down. If we define the ground... Problem 20MCQ: Which of the following motions could be described by the motion diagram of Figure Q1 .20? Figure... Problem 21MCQ: Which of the following motions is described by the motion diagram of Figure Q1 .21? Figure Q1.21 A.... Problem 22MCQ: A bird flies 3.0 km due west and then 2.0 km due north. What is the magnitude of the bird's... Problem 23MCQ: Weddell seals make holes in sea ice so that they can swim down to forage on the ocean floor below.... Problem 24MCQ: A bird flies 3.0 km due west and then 2.0 km due north. Another bird flies 2.0 km due west and 3.0... Problem 25MCQ: A woman walks briskly at 2.00 m/s. How much time will it take her to walk one mile? A. 8.30 min B.... Problem 26MCQ: Compute 3.24 m + 0.532 m to the correct number of significant figures. A. 3.7 m B. 3.77 m C. 3.772 m... Problem 27MCQ: A rectangle has length 3.24 m and height 0.532 m. To the correct number of significant figures, what... Problem 28MCQ: The earth formed 4.57 109 years ago. What is this time in seconds? A. 1.67 1012 s B. 4.01 1013 s... Problem 29MCQ Problem 1P: A car skids to a halt to avoid hitting an object in the road. Draw a motion diagram of the car from... Problem 2P: A man rides a bike along a straight road for 5 min, then has a flat tire. He stops for 5 min to... Problem 3P: A jogger running east at a steady pace suddenly develops a cramp. He is lucky: A westbound bus is... Problem 4P: Figure P1.4 shows Sue along the straight-line path between her home and the cinema. What is Sue's... Problem 5P: Keira starts at position x = 23 m along a coordinate axis. She then undergoes a displacement of 45... Problem 6P: A car travels along a straight east-west road. A coordinate system is established on the road, with... Problem 7P: Foraging bees often move in straight lines away from and toward their hives. Suppose a bee starts at... Problem 8P: A security guard walks at a steady pace, traveling 110 m in one trip around the perimeter of a... Problem 9P: List the following items in order of decreasing speed, from greatest to least: (i) A wind-up toy car... Problem 10P: Figure P1.10 shows the motion diagram for a horse galloping in one direction along a straight path.... Problem 11P: It takes Harry 35 s to walk from x = 12 m to x = 47 m What is his velocity? Problem 12P: A dog trots from x = 12 m to x = 3 m in 10 s. What is its velocity? Problem 13P: A ball rolling along a straight line with velocity 0.35 m/s goes from x = 2.1 m to x = 7.3 m. How... Problem 14P: Convert the following to SI units: a. 9.12 s b. 3.42 km c. 44 cm/ms d. 80 km/h Problem 15P: Convert the following to SI units: a. 8.0 in b. 66 ft/s c. 60 mph Problem 16P: Convert the following to SI units: a. 1.0 hour b. 1.0 day c. 1.0 year Problem 17P: How many significant figures does each of the following numbers have? a. 6.21 b. 62.1 c. 0.620 d.... Problem 18P: How many significant figures does each of the following numbers have? a. 0.621 b. 0.006200 c. 1.0621... Problem 19P: Compute the following numbers to three significant figures. a. 33.3 25.4 b. 33.3 25.4 c. 33.3 d.... Problem 20P: lf you make multiple measurements of your height, you are likely to find that the results vary by... Problem 21P: The Empire State Building has a height of 1250 ft. Express this height in meters, giving your result... Problem 22P: Blades of grass grow from the bottom, so, as growth occurs, the top of the blade moves upward.... Problem 23P: Estimate the average speed, in m/s, with which the hair on your head grows. Make this estimate from... Problem 24P: Carol and Robin share a house. To get to work, Carol walks north 2.0 km while Robin drives west 7.5... Problem 25P: Loveland, Colorado, is 18 km due south of Fort Collins and 31 km due west of Greeley. What is the... Problem 26P: Joe and Max shake hands and say goodbye. Joe walks east 0.55 km to a coffee shop, and Max flags a... Problem 27P: A city has streets laid out in a square grid, with each block 135 m long. If you drive north for... Problem 28P: A butterfly flies from the top of a tree in the center of a garden to rest on top of a red flower at... Problem 29P: A garden has a circular path of radius 50 m. John starts at the easternmost point on this path, then... Problem 30P: A circular test track for cars in England has a circumference of 3.2 km. A car travels around the... Problem 31P: Migrating geese tend to travel at approximately constant speed, flying in segments that are straight... Problem 32P: Black vultures excel at gliding flight; they can move long distances through the air without... Problem 33P: A hiker walks 25 north of east for 200m. How far north and how far east is he from his starting... Problem 34P: A hiker is climbing a steep 10 slope. Her pedometer shows that she has walked 1500 m along the... Problem 35P: A ball on a porch rolls 60 cm to the porch's edge, drops 40 cm, continues rolling on the grass, and... Problem 36P: A kicker punts a football from the very center of the field to the sideline 43 yards downfield. What... Problem 37P: A squirrel completing a short glide travels in a straight line tipped 40 below the horizontal. The... Problem 38P: A squirrel in a typical long glide covers a horizontal distance of 16 m while losing 8.0 m of... Problem 39GP: Problems 39 through 45 are motion problems similar to those you will learn to solve in Chapter 2.... Problem 40GP: Problems 39 through 45 are motion problems similar to those you will learn to solve in Chapter 2.... Problem 41GP: Problems 39 through 45 are motion problems similar to those you will learn to solve in Chapter 2.... Problem 42GP: Problems 39 through 45 are motion problems similar to those you will learn to solve in Chapter 2.... Problem 43GP: Problems 39 through 45 are motion problems similar to those you will learn to solve in Chapter 2.... Problem 44GP: Problems 39 through 45 are motion problems similar to those you will learn to solve in Chapter 2.... Problem 45GP: Problems 39 through 45 are motion problems similar to those you will learn to solve in Chapter 2.... Problem 46GP: Problems 46 through 50 show a motion diagram. For each of these problems, write a one or two... Problem 47GP: Problems 46 through 50 show a motion diagram. For each of these problems, write a one or two... Problem 48GP: Problems 46 through 50 show a motion diagram. For each of these problems, write a one or two... Problem 49GP: Problems 46 through 50 show a motion diagram. For each of these problems, write a one or two... Problem 50GP: Problems 46 through 50 show a motion diagram. For each of these problems, write a one or two... Problem 51GP Problem 52GP: Joseph watches the roadside mile markers during a long car trip on an interstate highway. He notices... Problem 53GP: Alberta is going to have dinner at her grandmother's house, but she is running a bit behind... Problem 54GP: The end of Hubbard Glacier in Alaska advances by an average of 105 feet per year. What is the speed... Problem 55GP: The earth completes a circular orbit around the sun in one year. The orbit has a radius of... Problem 56GP: Shannon decides to check the accuracy of her speedometer. She adjusts her speed to read exactly 70... Problem 57GP: The Nardo ring is a circular test track for cars. It has a circumference of 12.5 km. cars travel... Problem 58GP: Motor neurons in mammals transmit signals from the brain to skeletal muscles at approximately 25... Problem 59GP: Satellite data taken several times per hour on a particular albatross showed travel of 1200 km over... Problem 60GP: The bacterium Escherichia coli (or E. coli) is a single-celled organism that lives in the gut of... Problem 61GP: The bacterium Escherichia coli (or E. coli) is a single-celled organism that lives in the gut of... Problem 62GP: The sun is 30 above the horizon. It makes a 52-m-long shadow of a tall tree. How high is the tree? Problem 63GP: Weddell seals foraging in open water dive toward the ocean bottom by swimming forward in a... Problem 64GP: A large passenger aircraft accelerates down the runway for a distance of 3000 m before leaving the... Problem 65GP: Whale sharks swim forward while ascending or descending. They swim along a straight-line path at a... Problem 66GP: Starting from its nest, an eagle flies at constant speed for 3.0 min due east, then 4.0 min due... Problem 67GP: John walks 1.00 km north, then turns right and walks 1.00 km east. His speed is 1.50 m/s during the... Problem 68MSPP: The images of trees in Figure P1.68 come from a catalog advertising fast-growing trees. If we mark... Problem 69MSPP: The images of trees in Figure P1.68 come from a catalog advertising fast-growing trees. If we mark... Problem 70MSPP: The images of trees in Figure P1.68 come from a catalog advertising fast-growing trees. If we mark... format_list_bulleted