Exam 1 Review Questions Flashcards

1
Q

What is not a vector quantity?

A

speed

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2
Q

the speedometer of an automobile reads

A

instataneous speed

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3
Q

two measurements necessary for calculating average speed are

A

distance and time

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4
Q

if an object is going a constant speed, its acceleration is

A

0

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5
Q

a freely falling watermelon falls with constant

A

acceleration

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6
Q

while an iron block near the earth’s surface is in free fall, it undergoes an increase in

A

speed

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7
Q

someone tosses a ball upward at an angle, assuming no air resistance, which component of velocity changes with time?

A

vertical

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8
Q

as soon as a bowling ball rolls of the edge of a table, its horizontal component of velocity

A

remains constant

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