1. Which of the following quantities has units of a velocity? (There are two answers)C) 9.8 m/s downwardD) 150 m³A) 10 km southwestB) -5.0 m/s2. An object moving upward experiences an acceleration of +9.8 m/s². This means the object_A) is traveling at 9.8 m/sB) travels 9.8 m in every secondC) is increasing its velocity by 9.8 m/s every secondD) is decreasing its velocity by 9.8 m/s every second3. Which of the following is NOT possible?A) Velocity directed east and acceleration directed westB) Velocity directed east and acceleration directed eastC) Velocity is constant, non-zero and changing accelerationD) Acceleration is constant, non-zero and changing velocity4. When can the average velocity be equal to the average of the initial and final velocity? This can happenwhenA) the acceleration is constant.C) acceleration is constantly increasingB) the velocity is zero.D) acceleration is constantly decreasing5. Two objects were dropped from the same height with an interval of one second. If there is no airResistance, what can you say about the difference in their speed?A) increasesC) remains constantB) decreasesD) cannot be determined6. An object is moving forward with constant non-zero acceleration. The velocity versus time graphof this object isA) a curve.B) a vertical straight line.7. If the velocity versus time graph of an object is a horizontal line, the object isA) at restC) moving with zero accelerationB) moving with increasing speed.D) moving with constant non-zero acceleration.8. You accidentally drop a pen from the third floor of SM San Lazaro straight down to the ground.If we take upward as the positive direction, which of the graphs shown below bestrepresents the acceleration of the pen as a function of time starting at time = 0?KA)www._..._OCC) a horizontal straight line.D) a straight line making an angle with the time axis.TruckCarD)9. The motions of a car and a truck along a straight road are represented by the velocity-timegraphs in the figure. The two vehicles are initially alongside each other at time t = 0.www.ocAt time T, what is true of the distances traveled by the vehicles since time t = 0?A) They will have traveled the same distance.B) The truck will not have moved.C) The truck will have travelled further than the car.D) The car will have travelled further than the truck.

Name: 1. Which of the following quantities has units of a velocity? (There
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Description: 1. Which of the following quantities has units of a velocity? (There are two answers)C) 9.8 m/s downwardD) 150 m³A) 10 km southwestB) -5.0 m/s2. An object moving upward experiences an acceleration of +9.8 m/s². This means the object_A) is traveling

Given data: Four physical quantities are given Required: The quantity that has the unit of velocity…

Answered: 1. Which of the following quantities…

Science

Physics

1. Which of the following quantities has units of a velocity? (There are two answers) A) 10 km southwest C) 9.8 m/s downward D) 150 m³ B) -5.0 m/s

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter1: Getting Started

Section: Chapter Questions

Problem 21PQ

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