Ignoring air drag, what is the maximum speed that can be given to a horizontally moving tennis ball as it clears the net 1.25 m high to remain within the edge of the court, which is 12.0 m distant?
A) 12.0 m/s
B) 16.0 m/s
C) 24.0 m/s
D) 48.0 m/s
C
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Which of the following is NOT true of chemical weathering?
A) Rocks are broken down in a way that changes the minerals that compose the rock. B) It occurs faster in cooler places. C) It can be a result of the acids released by decaying vegetation. D) Oxidation is an example.
________ production is a direct conversion of solar energy to electricity
A) Renewable energy B) Ethanol energy C) Fast-acting electric D) Photovoltaic electric E) Solar constant
Water vapor can best be described as a
a. ?gas. b. ?cloud droplet. c. ?rain drop. d. ?snowflake. e. ?liquid.
The Hawaiian Islands are thought to be the result of
A. midocean ridge volcanics B. ocean-ocean convergence C. mantle plumes D. subduction