Science Starter! A frustrated student drops a book out of a window that is 18 m above the ground. A curious student below notices that it takes 1.92 s.

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Presentation transcript:

Science Starter! A frustrated student drops a book out of a window that is 18 m above the ground. A curious student below notices that it takes 1.92 s for the book to reach the ground. (a) Draw and label a diagram of the scenario, and identify all variables. (b) Determine the acceleration of the book, rounding to one decimal place, assuming it was dropped with zero initial velocity.

Free Fall Section 3.3

“Terminal Velocity” Listen for and record the following information: 1.Fall Time 2.Drop Height 3.Fall Distance

With the information from the video: (a)Sketch a diagram of the rider’s fall. Indicate starting and ending positions. (b) Convert values into their base units. (c) Calculate the acceleration of the rider (m/s 2 ), rounding your answer to ONE DECIMAL PLACE.

Free-Fall -Object starts at rest (v o = 0 m/s) - In equations, “y” is used for distance (not “x”). -Object falls solely under the influence of gravity (Resistive forces of air resistance are ignored) Acceleration due to gravity: a g = m/s 2 “g” = 9.8 m/s 2

Galileo Galilee Father of Modern Science Refuted Aristotle’s “Natural Motion” theory Supported Copernicus’ heliocentric model of the solar system A brief biography...

Does ‘weight’ matter?

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