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Multiple Choice. Encircle the letter that corresponds to the correct answer. 1. Which two quantities are needed to determine the average velocity of an object? a. displacement and acceleration C. distance and elapsed time b. displacement and elapsed time d. initial speed and final speed 2. A projectile is thrown upward with an initial velocity v, at an angle with the horizontal. Which of the following is true for the projectile at its maximum height? a. velocity=0; acceleration = 0 b. velocity = 0; acceleration = -8 C. velocity = v sin 0; acceleration = 0 velocity=vo cos 0; acceleration = -g d. 3. A ball is thrown upward at an angle of 60° with the horizontal. In the absence of air resistance, its range would be less than that of a projectile thrown at an angle of. a. 10° C. 43° b. 30° d. 70° 4. A girl runs around a circular track of radius 65 m at a speed of 2 m/s. What is her displacement after finishing one round? 5. 130 m 0 408 m 65 m What does a horizontal line on a velocity-time graph represent? no motion at all uniform motion a. b. a. b. C. d. C. uniformly accelerated motion d. uniformly decelerated motion

Multiple Choice. Encircle the letter that corresponds to the correct answer. 1. Which two quantities are needed to determine the average velocity of an object? a. displacement and acceleration C. distance and elapsed time b. displacement and elapsed time d. initial speed and final speed 2. A projectile is thrown upward with an initial velocity v, at an angle with the horizontal. Which of the following is true for the projectile at its maximum height? a. velocity=0; acceleration = 0 b. velocity = 0; acceleration = -8 C. velocity = v sin 0; acceleration = 0 velocity=vo cos 0; acceleration = -g d. 3. A ball is thrown upward at an angle of 60° with the horizontal. In the absence of air resistance, its range would be less than that of a projectile thrown at an angle of. a. 10° C. 43° b. 30° d. 70° 4. A girl runs around a circular track of radius 65 m at a speed of 2 m/s. What is her displacement after finishing one round? 5. 130 m 0 408 m 65 m What does a horizontal line on a velocity-time graph represent? no motion at all uniform motion a. b. a. b. C. d. C. uniformly accelerated motion d. uniformly decelerated motion

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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A. Multiple Choice. Please answer all the questions thank you.
Multiple Choice. Encircle the letter that corresponds to the correct answer. 1. Which two quantities are needed to determine the average velocity of an object? a. displacement and acceleration C. distance and elapsed time b. displacement and elapsed time d. initial speed and final speed 2. A projectile is thrown upward with an initial velocity v at an angle with the horizontal. Which of the following is true for the projectile at its maximum height? a. velocity = 0; acceleration = 0 b. velocity=0; acceleration = -8 velocity = Vo sin 0; acceleration = 0 C. d. velocity=vo cos 0; acceleration = -g 3. A ball is thrown upward at an angle of 60° with the horizontal. In the absence of air resistance, its range would be less than that of a projectile thrown at an angle of . a. 10⁰ C. 43° b. 30⁰ d. 70° 4. A girl runs around a circular track of radius 65 m at a speed of 2 m/s. What is her displacement after finishing one round? 5. 6. 7. a. b. 0 65 m What does a horizontal line on a velocity-time graph represent? no motion at all uniform motion What does a horizontal line on a displacement-time graph represent? no motion at all a. b. a. b. C. d. uniformly accelerated motion uniform motion uniformly decelerated motion What does the slope of a line tangent to a point on a displacement-time graph for a uniformly accelerated motion give us? 130 m 408 m a. b. C. uniformly accelerated motion d. uniformly decelerated motion C. d. a. acceleration C. initial velocity b. average velocity d. instantaneous velocity 8. A boat sails at 12.0 m/s across a river flowing due south at 5 m/s. What is the magnitude of the resultant velocity of the boat? 7.0 m/s 8.5 m/s C. 13.0 m/s d. 17.0 m/s
Transcribed Image Text:Multiple Choice. Encircle the letter that corresponds to the correct answer. 1. Which two quantities are needed to determine the average velocity of an object? a. displacement and acceleration C. distance and elapsed time b. displacement and elapsed time d. initial speed and final speed 2. A projectile is thrown upward with an initial velocity v at an angle with the horizontal. Which of the following is true for the projectile at its maximum height? a. velocity = 0; acceleration = 0 b. velocity=0; acceleration = -8 velocity = Vo sin 0; acceleration = 0 C. d. velocity=vo cos 0; acceleration = -g 3. A ball is thrown upward at an angle of 60° with the horizontal. In the absence of air resistance, its range would be less than that of a projectile thrown at an angle of . a. 10⁰ C. 43° b. 30⁰ d. 70° 4. A girl runs around a circular track of radius 65 m at a speed of 2 m/s. What is her displacement after finishing one round? 5. 6. 7. a. b. 0 65 m What does a horizontal line on a velocity-time graph represent? no motion at all uniform motion What does a horizontal line on a displacement-time graph represent? no motion at all a. b. a. b. C. d. uniformly accelerated motion uniform motion uniformly decelerated motion What does the slope of a line tangent to a point on a displacement-time graph for a uniformly accelerated motion give us? 130 m 408 m a. b. C. uniformly accelerated motion d. uniformly decelerated motion C. d. a. acceleration C. initial velocity b. average velocity d. instantaneous velocity 8. A boat sails at 12.0 m/s across a river flowing due south at 5 m/s. What is the magnitude of the resultant velocity of the boat? 7.0 m/s 8.5 m/s C. 13.0 m/s d. 17.0 m/s
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