Physics of Motion and Forces: An Exploration of Basic Principles

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Physics of Motion and Forces: An Exploration of Basic Principles Question 1 1. Which of the following items is NOT used to describe the motion of an object? Answer The object's instantaneous location The object's average speed The object's shape The object's instantaneous acceleration 4 points Question 2 1. Which of the following statements concerning a car traveling at 60mph around a circular track is TRUE? Answer The car's velocity is constant. It is easier to maintain the turn if the circular track is smaller. The car accelerates toward the center of the circle. The car's acceleration is constant. 4 points Question 3 1. Consider the situation of a boy throwing a baseball into the air. Which of the following statements concerning the baseball's speed is TRUE? Answer The speed of the baseball is constant. The baseball's speed when the boy catches it is less than when he threw it. The baseball's speed when the boy catches it is the same as when he threw it. The baseball's speed when the boy catches it is greater than when he threw it. 4 points Question 4 1. Bakersfield is 92mi due west of Haddenton. What was the train's average velocity if it took 87 minutes to get to Bakersfield? Answer 63.4 mph, due north 63 mph, due east
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