When you drop a ball, it accelerates due to Earth's gravity. How does it accelerate if you instead throw it downward? Explain
What will be an ideal response?
It has the same acceleration whether dropped or thrown. True, it will start with a greater speed when thrown, but the rate at which it gains speed—10 m/s each second—remains the same. If air drag is a factor, then at the higher speed it will actually have less acceleration (because air drag acts opposite to the force of gravity).
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Nuclear power advocates contend that increased use of nuclear power decreases what type of emission that contributes to climate change?
A. water vapor B. carbon dioxide C. carbon monoxide D. sulfur dioxide E. nitrous oxides
The Altgeld Gardens on Chicago's South Side is an excellent example of the cleanup
A. That results from laws and regulations B. And use of brownfields C. And elimination of a squatter town D. And elimination of a shantytown E. Of a shantytown
How deep would a submarine need to dive to feel no motion from surface waves with a wavelength of
200 meters ? a. less than 50 meters b. less than 100 meters c. below 50 meters but above 100 meters d. below 100 meters
This biome is typically found in areas with marine west coast climates, characterized by high precipitation, moderate air temperatures, summer fog, and an overall maritime influence
A) Temperate rain forest B) Midlatitude grassland C) Boreal and montane forest D) Tropical savanna