Name:____________________________________ Quiz 1 – Kinematics K /10 T/I Multiple Choice (10K) Identify the choice that best completes the statement or answers the question. 1. Refer to the velocity-time graph for an object moving north. Which statement is true? a. b. c. d. The object is moving at a constant velocity. The object is increasing its velocity with a constant acceleration. The object is decreasing its velocity with a constant acceleration. The object is stationary. 2. An airplane flies 25 km [W] and then 60.0 km [S] in a total time of 0.50 h. What is the average speed of the airplane? a. 170 km/h b. 130 km/h c. 120 km/h d. 85 km/h 3. A ship started from rest and accelerated at 0.20 m/s2. How long would it take to reach 5.0 m/s? a. 25 s b. 5.0 s c. 2.5 s d. 0.20 s 4. The displacement of an object is equal to a. the area under a position-time graph b. the area under a velocity-time graph c. the slope of a position-time graph d. the slope of a velocity-time graph 5. A car is driven at 50 km/h [N] for 0.5 h, and then at 100 km/h [W] for 0.25 h. Which statement is true? a. The average velocity of the car is 80 km/h [NW]. b. The average velocity of the car is 70 km/h [NW]. c. The average velocity of the car is 50 km/h [NW]. d. The average velocity of the car cannot be determined. /10 Name:____________________________________ Short Answer (10T/I) 1. A tennis ball bounces once after being hit, and leaves the ground at 6.80 m/s at an angle of 28.0° above the horizontal. How far does it travel horizontally before hitting the ground again? (5 T/I) 2. A ferry runs from Mainland to Fair Isle, which is [W 40.0° N]. A current of 1.20 knots flows from the west. The ferry motors at 8.60 knots relative to the water. In what direction must the captain aim the ferry in order to reach Fair Isle? (5 T/I) Name:____________________________________ Quiz 1 - Kinematics Answer Section MULTIPLE CHOICE 1. ANS: LOC: 2. ANS: LOC: 3. ANS: LOC: 4. ANS: LOC: 5. ANS: OBJ: MSC: B PTS: 1 REF: C B2.2 MSC: Understanding A PTS: 1 REF: A B2.2 MSC: Analysis and Application A PTS: 1 REF: K/U B2.2 MSC: Analysis and Application B PTS: 1 REF: K/U B2.2 MSC: Knowledge B PTS: 1 REF: A 1.4 Velocity and Acceleration in Two Dimensions Understanding SHORT ANSWER OBJ: 1.1 Motion and Motion Graphs OBJ: 1.1 Motion and Motion Graphs OBJ: 1.2 Equations of Motion OBJ: 1.2 Equations of Motion LOC: B2.2 Name:____________________________________