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Physics used to be called? |
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What are the two branches of science? |
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If a law is found to be incorrect or abandonded.. |
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In order for a hypothesis to be scientific it must be _____? |
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The speedometer of a car acually reads _______? |
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The acceleration of a ball at the top of it's path it ______? |
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When you are in a car going around a curve, your ______ is changing. |
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The rate at which distance is covered is ______. |
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Give examples of a scalar quantity. |
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Definition
Mass
Volume
Disatnce
Time
Currency
Temperature |
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The horizontal component of a projectile's motion is independent of it's ______ component |
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When a vector is drawn to represent velocity, what 3 criteria must the vector follow? |
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Definition
Drawn to scale
Direction
Arrowhead
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If one ball is dropped from 10ft high and another is shot horizontally from 10ft high, and you neglect air resistance, which one will het the ground first? |
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Definition
Will both hit instantaniously. |
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Newtons's 1st Law of Motion, also known as the Law of Inertia states: |
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An object at rest or in motion remains so unless acted upon by an outside force. |
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Rest is the natural state of all objects. |
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1st to propose earth revolves around the sun. |
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Came up with the idea of friction. |
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Newton's 2nd Law of Motion states: |
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Acceleration is directly proportional to force. |
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If a tennis ball and a steel ball were dropped at the same time, which one would hit tje ground first in the presence of air resistance? |
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