Acceration Due to Gravity, Play Ball and Making Waves
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| True or False. Any two objects, regardless of their mass, have the same acceleration under gravity? | True
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| Acceleration due to gravity is? | Constant That is, it is the same for every object.
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| Why does a feather not fall at the same rate as a brick? | Because of friction
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| What's the acceleration rate of any object dropped from above the earth? | 9.8 meters per second for every second it travels. For every additional second of falling, its velocity would increase by 9.8 meters per second: 19.6 meters per second after two seconds, 29.4 after three, 39.2 after four, 49.0 after five, and so on
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| What is an orbit? | A circular motion
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| Wave motion results from the action of focres on what? | Fluid (substances that "Flow."
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| Is air a fluid? | Yes -- it moves in waves
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| What is the branch of mathematics that deals with waves and other curves? | Trigonometry
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| What is the process that makes strings on musical instruments, sound, earth tremors, light, radio signals, and X-rays to be compressed and expanded. | Vibration
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Created by:
jabby2us
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