A heavy stone is launched straight upward at 100 m/s. If air resistance can be neglected, the total time going up and down is
A. 20 s.
B. more than 20 s.
C. 10 s.
D. none of the above
Answer: A
You might also like to view...
Selva:
From Table 29.1, the biome map, and the climate map, determine the terrestrial biome that best characterizes each of the following descriptions and write its name on the first line provided. On the second line, relate it to temperature and precipitation regimes and/or global pressure and wind belts outlined at the end of Section 1.
Which of the following would not be an explanation for the amount of precipitation in Subarctic and Polar climates?
A) Easy proximity to unfrozen seas B) Cold air's low water vapor capacity C) Dominance by a high pressure pattern D) Isolation from frontal precipitation patterns
________ always decreases with increasing altitude
a. Air temperature b. Wind speed c. Dew point temperature d. Air pressure
What is the zone on a glacier where the amount of ice added is less than what is lost?
A. accumulation zone B. firn C. ablation zone D. kettle E. melting zone