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5. A high speed train is moving at 550km/h [E]. If it takes 2.5 minutes for the train to come to a stop, what was the train's acceleration during this time? a) 220 km/h² [E] c) 13200 km/h² [E] b) 220 km/h² [W] d) 13200 km/h² [W] 6. An object is found to have vector components of vx = 16.0 m/s [S] and vy = 12.0 m/s [W]. What is the speed of the object? a) 28.0 m/s c) 10.4 m/s b) 4.00m/s d) 20.0 m/s 7. An object, initially at rest takes some time, t, to travel a displacement, Ad. What is the magnitude of the acceleration of this object? 2Ad a) t 2Ad c) t 2Ad b) 2 t d) t 2Ad 8. An object is launched from the edge of a cliff before falling into the water below. At a particular instant, its speed is found to be half of its launch speed. Where must the object be along its trajectory? a) Ascending c) At its max height b) Descending d) Not enough information 9. A vehicle is driving on a highway, driving at 100km/h, pointed [North 35° West]. What are the North/South and East/West components of this motion (in km/h, in that order)? a) 81.9, 57.4 c) 81.9, 70.0 b) 57.4, 81.9 d) 70.0, 57.4

5. A high speed train is moving at 550km/h [E]. If it takes 2.5 minutes for the train to come to a stop, what was the train's acceleration during this time? a) 220 km/h² [E] c) 13200 km/h² [E] b) 220 km/h² [W] d) 13200 km/h² [W] 6. An object is found to have vector components of vx = 16.0 m/s [S] and vy = 12.0 m/s [W]. What is the speed of the object? a) 28.0 m/s c) 10.4 m/s b) 4.00m/s d) 20.0 m/s 7. An object, initially at rest takes some time, t, to travel a displacement, Ad. What is the magnitude of the acceleration of this object? 2Ad a) t 2Ad c) t 2Ad b) 2 t d) t 2Ad 8. An object is launched from the edge of a cliff before falling into the water below. At a particular instant, its speed is found to be half of its launch speed. Where must the object be along its trajectory? a) Ascending c) At its max height b) Descending d) Not enough information 9. A vehicle is driving on a highway, driving at 100km/h, pointed [North 35° West]. What are the North/South and East/West components of this motion (in km/h, in that order)? a) 81.9, 57.4 c) 81.9, 70.0 b) 57.4, 81.9 d) 70.0, 57.4

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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5. A high speed train is moving at 550km/h [E]. If it takes 2.5 minutes for the train to come to a stop, what was the train's acceleration during this time? a) 220 km/h² [E] c) 13200 km/h² [E] b) 220 km/h² [W] d) 13200 km/h² [W] 6. An object is found to have vector components of vx = 16.0 m/s [S] and vy = 12.0 m/s [W]. What is the speed of the object? a) 28.0 m/s c) 10.4 m/s b) 4.00m/s d) 20.0 m/s 7. An object, initially at rest takes some time, t, to travel a displacement, Ad. What is the magnitude of the acceleration of this object? 2Ad a) t 2Ad c) t 2Ad b) 2 t d) t 2Ad 8. An object is launched from the edge of a cliff before falling into the water below. At a particular instant, its speed is found to be half of its launch speed. Where must the object be along its trajectory? a) Ascending c) At its max height b) Descending d) Not enough information 9. A vehicle is driving on a highway, driving at 100km/h, pointed [North 35° West]. What are the North/South and East/West components of this motion (in km/h, in that order)? a) 81.9, 57.4 c) 81.9, 70.0 b) 57.4, 81.9 d) 70.0, 57.4
Transcribed Image Text:5. A high speed train is moving at 550km/h [E]. If it takes 2.5 minutes for the train to come to a stop, what was the train's acceleration during this time? a) 220 km/h² [E] c) 13200 km/h² [E] b) 220 km/h² [W] d) 13200 km/h² [W] 6. An object is found to have vector components of vx = 16.0 m/s [S] and vy = 12.0 m/s [W]. What is the speed of the object? a) 28.0 m/s c) 10.4 m/s b) 4.00m/s d) 20.0 m/s 7. An object, initially at rest takes some time, t, to travel a displacement, Ad. What is the magnitude of the acceleration of this object? 2Ad a) t 2Ad c) t 2Ad b) 2 t d) t 2Ad 8. An object is launched from the edge of a cliff before falling into the water below. At a particular instant, its speed is found to be half of its launch speed. Where must the object be along its trajectory? a) Ascending c) At its max height b) Descending d) Not enough information 9. A vehicle is driving on a highway, driving at 100km/h, pointed [North 35° West]. What are the North/South and East/West components of this motion (in km/h, in that order)? a) 81.9, 57.4 c) 81.9, 70.0 b) 57.4, 81.9 d) 70.0, 57.4
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