44. A car starts from rest and goes down a slope with a constant acceleration of 5 m/s2. After 5 seconds the car reaches the bottom of the hill. What is its speed at the bottom of the hill? A) 1 m/s B) 12.5 m/s C) 25 m/s D) 50 m/s E) 160 m/s Ans: C Difficulty: Easy Section: 2-4 Learning Objective 2.4.1 45. A car moving with an initial velocity of 25 m/s north has a constant acceleration of 3 m/s2 south. After 6 seconds its velocity will be: A) 7 m/s north B) 7 m/s south C) 43 m/s north D) 20 m/s north E) 20 m/s south Ans: A Difficulty: Easy Section: 2-4 Learning Objective 2.4.1 46. An object with an initial velocity of 12 m/s west experiences a constant acceleration of 4 m/s2 west for 3 seconds. During this time the object travels a distance of: A) 18 m B) 24 m C) 36 m D) 54 m E) 144 m Ans: D Difficulty: Easy Section: 2-4 Learning Objective 2.4.1 47. How far does a car travel in 6 s if its initial velocity is 2 m/s and its acceleration is 2 m/s2 in the same direction as its initial velocity? A) 12 m B) 14 m C) 24 m D) 36 m
44. A car starts from rest and goes down a slope with a constant acceleration of 5 m/s2. After 5 seconds the car reaches the bottom of the hill. What is its speed at the bottom of the hill? A) 1 m/s B) 12.5 m/s C) 25 m/s D) 50 m/s E) 160 m/s Ans: C Difficulty: Easy Section: 2-4 Learning Objective 2.4.1 45. A car moving with an initial velocity of 25 m/s north has a constant acceleration of 3 m/s2 south. After 6 seconds its velocity will be: A) 7 m/s north B) 7 m/s south C) 43 m/s north D) 20 m/s north E) 20 m/s south Ans: A Difficulty: Easy Section: 2-4 Learning Objective 2.4.1 46. An object with an initial velocity of 12 m/s west experiences a constant acceleration of 4 m/s2 west for 3 seconds. During this time the object travels a distance of: A) 18 m B) 24 m C) 36 m D) 54 m E) 144 m Ans: D Difficulty: Easy Section: 2-4 Learning Objective 2.4.1 47. How far does a car travel in 6 s if its initial velocity is 2 m/s and its acceleration is 2 m/s2 in the same direction as its initial velocity? A) 12 m B) 14 m C) 24 m D) 36 m