17. The vector which represents the sun of a group of force vectors is called the a. magnitude b. resultant C. sum d. phase angle 18. Which of the following is not a vector quantity? a. Velocity b. Speed c. acceleration d. displacement 19. As the projectile rises and then falls back to the ground, it's acceleration a. decreases, then increases b. increases, only c. Increases, the decreases d. remain the same 20. A freely falling object near the earth's surface has a constant a. velocity of - 1.0 m/s c. acceleration of -1.0 m/s? b. velocity of -9.81 m/s d. acceleration of -9.81 m/s?
17. The vector which represents the sun of a group of force vectors is called the a. magnitude b. resultant C. sum d. phase angle 18. Which of the following is not a vector quantity? a. Velocity b. Speed c. acceleration d. displacement 19. As the projectile rises and then falls back to the ground, it's acceleration a. decreases, then increases b. increases, only c. Increases, the decreases d. remain the same 20. A freely falling object near the earth's surface has a constant a. velocity of - 1.0 m/s c. acceleration of -1.0 m/s? b. velocity of -9.81 m/s d. acceleration of -9.81 m/s?
Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter4: Motion In Two Dimensions
Section: Chapter Questions
Problem 25P
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