Midterm 1 Sample 2

Midterm 1 Sample 2 - Name Student Number Instructor Lecture...

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Name: Student Number: Instructor: Lecture Section Number: PHY 1B03 Term Test #1 There are a total of 15 multiple choice questions. Each question is worth 1 mark. There is only one correct answer for each question. Circle the correct answer. Your choice must be clearly indicated. Only the McMaster standard calculator is allowed. A formula sheet can be found attached to this test paper. By writing this paper, you agree to be bound by the Senate policy on Academic Dishonesty. All portable communications devices (pagers, cellular phones, etc) must be off during tests.

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1. The figure shows a plot of velocity vs. time for an object moving along the x-axis. Which of the following statements is true? A. The average acceleration over the 11.0 s interval is -0.36 m/s 2 . B. The instantaneous acceleration at t = 5.0 s is -4.0 m/s 2 . C. Both A and B are correct. D. Neither A nor B are correct. 2. A diver jumps off of a diving platform. She hits the water and is brought to rest (instantaneously) near the bottom of the pool. Which of the following statements, regarding her motion while in the water, is true? Assume that the positive direction is upward. A. Her average acceleration is positive and her velocity is positive. B. Her average acceleration is positive and her velocity is negative. C. Her average acceleration is negative and her velocity is positive. D. Her average acceleration is negative and her velocity is negative. 3. A toy rocket is launched vertically upward from the edge of a cliff with an initial velocity of 32.8 m/s. It just misses the edge of the cliff on its way back down. Neglecting air resistance, where is the rocket 5.00 seconds after launch?
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Midterm 1 Sample 2 - Name Student Number Instructor Lecture...

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