College Physics: A Strategic Approach (3rd Edition)
3rd Edition
ISBN: 9780321879721
Author: Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher: PEARSON
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Textbook Question
Chapter 1, Problem 8CQ
The motion of a skateboard along a horizontal axis is observed for 5 s. The initial position of the skateboard is negative with respect to a chosen origin, and its velocity throughout the 5 s is also negative. At the end of the observation time, is the skateboard closer to or farther from the origin than initially? Explain.
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The motion of a skateboard along a horizontal axis is observed for 5 s. The initial position of the skateboard is negative with respect to a chosen origin, and its velocity throughout the 5 s is also negative. At the end of the observation time, is the skateboard closer to or farther from the origin than initially? Explain.
Consider a particle moving along the x-axis with acceleration a(t) = 2t and an initial velocity, v(0) = -2.
a. Find the displacement of the particle from t = 0 to t = 4.
(2 points)
The displacement of the particle is
units. Round your answer to the nearest thousandth if
necessary.
b.
Find the total distance traveled by the particle from t = 0 to t = 4.
The total distance traveled by the particle is
units. Round your answer to the nearest thousandth if
necessary.
For projectile motion problems, the horizontal and vertical components of the motion of a projectile can be analyzed separately. Which of the following is TRUE about the horizontal component of its motion?a. The horizontal component of the acceleration is constant and is equal to -9.81 m/s^2b. The motion is uniformc. The horizontal component of the velocity varies with positiond. The motion is uniformly accelerated
Chapter 1 Solutions
College Physics: A Strategic Approach (3rd Edition)
Ch. 1 - a Write a paragraph describing the particle model....Ch. 1 - A softball player slides into second base. Use the...Ch. 1 - A car travels to the left at a steady speed for a...Ch. 1 - A ball is dropped from the roof of a tall building...Ch. 1 - Write a sentence or two describing the difference...Ch. 1 - Give an example of a trip you might take in your...Ch. 1 - Write a sentence or two describing the difference...Ch. 1 - The motion of a skateboard along a horizontal axis...Ch. 1 - You are standing on a straight stretch of road and...Ch. 1 - Two friends watch a jogger complete a 400 m lap...
Ch. 1 - A softball player hits the ball and starts running...Ch. 1 - A child is sledding on a smooth, level patch of...Ch. 1 - A skydiver jumps out of an airplane. Her speed...Ch. 1 - Your roommate drops a tennis ball from a...Ch. 1 - A car is driving north at a steady speed. It makes...Ch. 1 - A toy car rolls down a ramp, then across a smooth,...Ch. 1 - Density is the ratio of an object's mass to its...Ch. 1 - A student walks 1.0 mi west and then 1.0 mi north....Ch. 1 - You throw a rock upward. The rock is moving...Ch. 1 - Which of the following motions could be described...Ch. 1 - Which of the following motions is described by the...Ch. 1 - A bird flies 3.0 km due west and then 2.0 km due...Ch. 1 - Weddell seals make holes in sea ice so that they...Ch. 1 - A bird flies 3.0 km due west and then 2.0 km due...Ch. 1 - A woman walks briskly at 2.00 m/s. How much time...Ch. 1 - Compute 3.24 m + 0.532 m to the correct number of...Ch. 1 - A rectangle has length 3.24 m and height 0.532 m....Ch. 1 - The earth formed 4.57 109 years ago. What is this...Ch. 1 - Prob. 29MCQCh. 1 - A car skids to a halt to avoid hitting an object...Ch. 1 - A man rides a bike along a straight road for 5...Ch. 1 - A jogger running east at a steady pace suddenly...Ch. 1 - Figure P1.4 shows Sue along the straight-line path...Ch. 1 - Keira starts at position x = 23 m along a...Ch. 1 - A car travels along a straight east-west road. A...Ch. 1 - Foraging bees often move in straight lines away...Ch. 1 - A security guard walks at a steady pace, traveling...Ch. 1 - List the following items in order of decreasing...Ch. 1 - Figure P1.10 shows the motion diagram for a horse...Ch. 1 - It takes Harry 35 s to walk from x = 12 m to x = ...Ch. 1 - A dog trots from x = 12 m to x = 3 m in 10 s....Ch. 1 - A ball rolling along a straight line with velocity...Ch. 1 - Convert the following to SI units: a. 9.12 s b....Ch. 1 - Convert the following to SI units: a. 8.0 in b. 66...Ch. 1 - Convert the following to SI units: a. 1.0 hour b....Ch. 1 - How many significant figures does each of the...Ch. 1 - How many significant figures does each of the...Ch. 1 - Compute the following numbers to three significant...Ch. 1 - lf you make multiple measurements of your height,...Ch. 1 - The Empire State Building has a height of 1250 ft....Ch. 1 - Blades of grass grow from the bottom, so, as...Ch. 1 - Estimate the average speed, in m/s, with which the...Ch. 1 - Carol and Robin share a house. To get to work,...Ch. 1 - Loveland, Colorado, is 18 km due south of Fort...Ch. 1 - Joe and Max shake hands and say goodbye. Joe walks...Ch. 1 - A city has streets laid out in a square grid, with...Ch. 1 - A butterfly flies from the top of a tree in the...Ch. 1 - A garden has a circular path of radius 50 m. John...Ch. 1 - A circular test track for cars in England has a...Ch. 1 - Migrating geese tend to travel at approximately...Ch. 1 - Black vultures excel at gliding flight; they can...Ch. 1 - A hiker walks 25 north of east for 200m. How far...Ch. 1 - A hiker is climbing a steep 10 slope. Her...Ch. 1 - A ball on a porch rolls 60 cm to the porch's edge,...Ch. 1 - A kicker punts a football from the very center of...Ch. 1 - A squirrel completing a short glide travels in a...Ch. 1 - A squirrel in a typical long glide covers a...Ch. 1 - Problems 39 through 45 are motion problems similar...Ch. 1 - Problems 39 through 45 are motion problems similar...Ch. 1 - Problems 39 through 45 are motion problems similar...Ch. 1 - Problems 39 through 45 are motion problems similar...Ch. 1 - Problems 39 through 45 are motion problems similar...Ch. 1 - Problems 39 through 45 are motion problems similar...Ch. 1 - Problems 39 through 45 are motion problems similar...Ch. 1 - Problems 46 through 50 show a motion diagram. For...Ch. 1 - Problems 46 through 50 show a motion diagram. For...Ch. 1 - Problems 46 through 50 show a motion diagram. For...Ch. 1 - Problems 46 through 50 show a motion diagram. For...Ch. 1 - Problems 46 through 50 show a motion diagram. For...Ch. 1 - Prob. 51GPCh. 1 - Joseph watches the roadside mile markers during a...Ch. 1 - Alberta is going to have dinner at her...Ch. 1 - The end of Hubbard Glacier in Alaska advances by...Ch. 1 - The earth completes a circular orbit around the...Ch. 1 - Shannon decides to check the accuracy of her...Ch. 1 - The Nardo ring is a circular test track for cars....Ch. 1 - Motor neurons in mammals transmit signals from the...Ch. 1 - Satellite data taken several times per hour on a...Ch. 1 - The bacterium Escherichia coli (or E. coli) is a...Ch. 1 - The bacterium Escherichia coli (or E. coli) is a...Ch. 1 - The sun is 30 above the horizon. It makes a...Ch. 1 - Weddell seals foraging in open water dive toward...Ch. 1 - A large passenger aircraft accelerates down the...Ch. 1 - Whale sharks swim forward while ascending or...Ch. 1 - Starting from its nest, an eagle flies at constant...Ch. 1 - John walks 1.00 km north, then turns right and...Ch. 1 - The images of trees in Figure P1.68 come from a...Ch. 1 - The images of trees in Figure P1.68 come from a...Ch. 1 - The images of trees in Figure P1.68 come from a...
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