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1. A ball is thrown vertically upward at 30 m/s. What is the highest point for the ball to reach after it was thrown? Neglect air resistance (A) 1.5 m (C) 46 m (B) 3.1 m (D) 92 m 2. At time t=0 s, an object is observed at x = 0 m; and its position along the x axis follows this expression: x = -3t +t, where the units for distance and time are meters and seconds, respectively. What is the object's displacement AX between t = 1.0s and t = 3.0 s? (A) +2.0 m (B) +20 m 3. If a particle's position is given by the expression x(t) = 3.4t³ - 5.4t meters, what is the acceleration of the particle at t = 5 s? (A) 1.02 m/s² (C) 102 m/s² (B) 3.4 m/s2 (D) 18.1 m/s² 4. A motorist makes a trip of 180 km. For the first 90 km she drives at a constant speed of 30kph. At what constant speed must she drive the remaining distance if her average speed for the entire trip is to be 40 kph? (A) 50 kph (C) 70 kph (B) 60 kph (D) 80 kph 5. Starting from rest, a particle confined to move along a straight line is accelerated at a rate of 5.0 m/s². Which one of the following statements accurately describes the motion of this particle? (C)+22 m (D) +18 m (A) The particle travels 5.0 m during each second. (B) The particle travels 5.0 m only during the first second. (C) The speed of the particle increases by 5.0 m/s during each second. (D) The acceleration of the particle increases by 5.0 m/s² during each second. 5. A car, starting from rest, accelerates in a straight-line path at a constant rate of 2.5 m/s². How far will the car travel in 12 seconds? (A) 4.8 m (B) 30 m (C) 120 m (D) 180 m ". Carl Lewis set a world record for the 100.0-m run with a time of 9.86 s. If, after reaching the finish line, Mr. Lewis walked directly back to his starting point in 90.9 s, what is the magnitude of his average velocity for the 200.0 m? (A) 0 m/s (C) 1.10 m/s (B) 1.98 m/s (D) 10.1 m/s A brick is dropped from rest from a height of 4.9 m. How long does it take the brick to reach the ground? (A) 0.6 s (B) 1.0 s (C) 2.0 s (D) 1.2 s

1. A ball is thrown vertically upward at 30 m/s. What is the highest point for the ball to reach after it was thrown? Neglect air resistance (A) 1.5 m (C) 46 m (B) 3.1 m (D) 92 m 2. At time t=0 s, an object is observed at x = 0 m; and its position along the x axis follows this expression: x = -3t +t, where the units for distance and time are meters and seconds, respectively. What is the object's displacement AX between t = 1.0s and t = 3.0 s? (A) +2.0 m (B) +20 m 3. If a particle's position is given by the expression x(t) = 3.4t³ - 5.4t meters, what is the acceleration of the particle at t = 5 s? (A) 1.02 m/s² (C) 102 m/s² (B) 3.4 m/s2 (D) 18.1 m/s² 4. A motorist makes a trip of 180 km. For the first 90 km she drives at a constant speed of 30kph. At what constant speed must she drive the remaining distance if her average speed for the entire trip is to be 40 kph? (A) 50 kph (C) 70 kph (B) 60 kph (D) 80 kph 5. Starting from rest, a particle confined to move along a straight line is accelerated at a rate of 5.0 m/s². Which one of the following statements accurately describes the motion of this particle? (C)+22 m (D) +18 m (A) The particle travels 5.0 m during each second. (B) The particle travels 5.0 m only during the first second. (C) The speed of the particle increases by 5.0 m/s during each second. (D) The acceleration of the particle increases by 5.0 m/s² during each second. 5. A car, starting from rest, accelerates in a straight-line path at a constant rate of 2.5 m/s². How far will the car travel in 12 seconds? (A) 4.8 m (B) 30 m (C) 120 m (D) 180 m ". Carl Lewis set a world record for the 100.0-m run with a time of 9.86 s. If, after reaching the finish line, Mr. Lewis walked directly back to his starting point in 90.9 s, what is the magnitude of his average velocity for the 200.0 m? (A) 0 m/s (C) 1.10 m/s (B) 1.98 m/s (D) 10.1 m/s A brick is dropped from rest from a height of 4.9 m. How long does it take the brick to reach the ground? (A) 0.6 s (B) 1.0 s (C) 2.0 s (D) 1.2 s

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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1. A ball is thrown vertically upward at 30 m/s. What is the highest point for the ball to reach after it was thrown? Neglect air resistance (A) 1.5 m (C) 46 m (B) 3.1 m (D) 92 m 2. At time t=0 s, an object is observed at x = 0 m; and its position along the x axis follows this expression: x = -3t +t, where the units for distance and time are meters and seconds, respectively. What is the object's displacement AX between t = 1.0 s and t = 3.0 s? (A) +2.0 m (C)+22 m (D) +18 m. (B) +20 m If a particle's position is given by the expression x(t) = 3.4t³ - 5.4t meters, what is the acceleration of the particle at t = 5 s? (A) 1.02 m/s² (C) 102 m/s2 (D) 18.1 m/s² (B) 3.4 m/s² 3. 4. A motorist makes a trip of 180 km. For the first 90 km she drives at a constant speed of 30kph. At what constant speed must she drive the remaining distance if her average speed for the entire trip is to be 40 kph? (A) 50 kph (C) 70 kph (B) 60 kph (D) 80 kph 5. Starting from rest, a particle confined to move along a straight line is accelerated at a rate of 5.0 m/s². Which one of the following statements accurately describes the motion of this particle? (A) The particle travels 5.0 m during each second. (B) The particle travels 5.0 m only during the first second. (C) The speed of the particle increases by 5.0 m/s during each second. (D) The acceleration of the particle increases by 5.0 m/s² during each second. 6. A car, starting from rest, accelerates in a straight-line path at a constant rate of 2.5 m/s². How far will the car travel in 12 seconds? (A) 4.8 m (C) 120 m (D) 180 m (B) 30 m 7. Carl Lewis set a world record for the 100.0-m run with a time of 9.86 s. If, after reaching the finish line, Mr. Lewis walked directly back to his starting point in 90.9 s, what is the magnitude of his average velocity for the 200.0 m? (A) 0 m/s (C) 1.10 m/s (B) 1.98 m/s (D) 10.1 m/s 3. A brick is dropped from rest from a height of 4.9 m. How long does it take the brick to reach the ground? (C) 2.0 s (D) 1.2 s (A) 0.6 s (B) 1.0 s
Transcribed Image Text:1. A ball is thrown vertically upward at 30 m/s. What is the highest point for the ball to reach after it was thrown? Neglect air resistance (A) 1.5 m (C) 46 m (B) 3.1 m (D) 92 m 2. At time t=0 s, an object is observed at x = 0 m; and its position along the x axis follows this expression: x = -3t +t, where the units for distance and time are meters and seconds, respectively. What is the object's displacement AX between t = 1.0 s and t = 3.0 s? (A) +2.0 m (C)+22 m (D) +18 m. (B) +20 m If a particle's position is given by the expression x(t) = 3.4t³ - 5.4t meters, what is the acceleration of the particle at t = 5 s? (A) 1.02 m/s² (C) 102 m/s2 (D) 18.1 m/s² (B) 3.4 m/s² 3. 4. A motorist makes a trip of 180 km. For the first 90 km she drives at a constant speed of 30kph. At what constant speed must she drive the remaining distance if her average speed for the entire trip is to be 40 kph? (A) 50 kph (C) 70 kph (B) 60 kph (D) 80 kph 5. Starting from rest, a particle confined to move along a straight line is accelerated at a rate of 5.0 m/s². Which one of the following statements accurately describes the motion of this particle? (A) The particle travels 5.0 m during each second. (B) The particle travels 5.0 m only during the first second. (C) The speed of the particle increases by 5.0 m/s during each second. (D) The acceleration of the particle increases by 5.0 m/s² during each second. 6. A car, starting from rest, accelerates in a straight-line path at a constant rate of 2.5 m/s². How far will the car travel in 12 seconds? (A) 4.8 m (C) 120 m (D) 180 m (B) 30 m 7. Carl Lewis set a world record for the 100.0-m run with a time of 9.86 s. If, after reaching the finish line, Mr. Lewis walked directly back to his starting point in 90.9 s, what is the magnitude of his average velocity for the 200.0 m? (A) 0 m/s (C) 1.10 m/s (B) 1.98 m/s (D) 10.1 m/s 3. A brick is dropped from rest from a height of 4.9 m. How long does it take the brick to reach the ground? (C) 2.0 s (D) 1.2 s (A) 0.6 s (B) 1.0 s
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