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ive engineers measure the thickness of a slab using a meter stick and a vernier caliper. One engineer got a thickness of 4.3 cm ± 0.1 cm using a meter stick, the other four engineers measured a thickness of (a) 4.32 cm ± 0.01 cm, (b) 4.31 cm ± 0.01 cm, (c) 4.24 cm ± 0.01 cm, and (d) 4.43 cm ± 0.01 cm respectively using the caliper. Which of these four measurements made by the four engineers agree with the measurement obtained by the engineer that used a meter stick? Choose the correct answer. Only a (b) and (c) (c) and (d) (a), (b), and (c) none of these Two cannonballs were fired at the same speed. If the cannonball 2 has a mass that is twice the mass of cannonball 1, what is the kinetic energy of cannon ball 2? (Assume that the kinetic energy of cannon ball 1 is equal to K) Choose the correct answer. 25K 5K 71K K 2K

ive engineers measure the thickness of a slab using a meter stick and a vernier caliper. One engineer got a thickness of 4.3 cm ± 0.1 cm using a meter stick, the other four engineers measured a thickness of (a) 4.32 cm ± 0.01 cm, (b) 4.31 cm ± 0.01 cm, (c) 4.24 cm ± 0.01 cm, and (d) 4.43 cm ± 0.01 cm respectively using the caliper. Which of these four measurements made by the four engineers agree with the measurement obtained by the engineer that used a meter stick? Choose the correct answer. Only a (b) and (c) (c) and (d) (a), (b), and (c) none of these Two cannonballs were fired at the same speed. If the cannonball 2 has a mass that is twice the mass of cannonball 1, what is the kinetic energy of cannon ball 2? (Assume that the kinetic energy of cannon ball 1 is equal to K) Choose the correct answer. 25K 5K 71K K 2K

Principles of Physics: A Calculus-Based Text
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter1: Introduction And Vectors
Section: Chapter Questions
Problem 7OQ: One student uses a meterstick to measure the thickness of a textbook and obtains 4.3 cm 0.1 cm....
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Five engineers measure the thickness of a slab using a meter stick and a vernier caliper. One engineer got a thickness of 4.3 cm ± 0.1 cm using a meter stick, the other four engineers measured a thickness of (a) 4.32 cm ± 0.01 cm, (b) 4.31 cm ± 0.01 cm, (c) 4.24 cm ± 0.01 cm, and (d) 4.43 cm ± 0.01 cm respectively using the caliper. Which of these four measurements made by the four engineers agree with the measurement obtained by the engineer that used a meter stick? Choose the correct answer.

  1. Only a
  2. (b) and (c)
  3. (c) and (d)
  4. (a), (b), and (c)
  5. none of these

Two cannonballs were fired at the same speed. If the cannonball 2 has a mass that is twice the mass of cannonball 1, what is the kinetic energy of cannon ball 2? (Assume that the kinetic energy of cannon ball 1 is equal to K) Choose the correct answer.

  1. 25K
  2. 5K
  3. 71K
  4. K
  5. 2K
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