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A book falls from a table. If there is no air resistance, what is the position-
time graph for this book?
Position (m)
Position (m)
Time (s)
Time (s)
Position (m)
Position (m)
Time (s)
Time (s)
O
A. Graph C
O
B. Graph A
O
C. Graph B
O D. Graph D

A book falls from a table If there is no air resistance what is the position time graph for this book Position m Position m Time s Time s Position m Position m class=

Respuesta :

Answer:

Graph C

Explanation:

The book is in free fall (no air resistance), this means that it is subject to a constant acceleration,

[tex]g=9.8 m/s^2[/tex]

downward, which is the acceleration of gravity.

Therefore, taking downward as positive direction, its position at time t will be given by

[tex]s=\frac{1}{2}gt^2[/tex]

where t is the time.

We see that the equation above represents a parabola: the only graph representing a parabola is graph C), therefore this is the correct option.

Answer:

Graph A

Explanation:

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