Which scooter has the greater kinetic energy?
A. A scooter traveling at 30 km/h.
B. A half-as-massive scooter traveling at 60 km/h.
C. both the same.
D. need more information
Answer: B
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Asteroids are concentrated in the Oort Cloud, beyond Neptune
Indicate whether the statement is true or false
In the shorelines investigation, what shoreline feature is represented by the area of sediment accumulation where a river meets the sea on the northern coast?
A. spit and sand bar B. sea cliffs C. submerged coastline D. marine terrace E. sandy beach F. delta
What is the approximate depth of the caldera (from the rim down to the floor)?
The question is based on Map T-2, the “Umnak, Alaska,” topographic map (scale 1:250,000; contour interval 200 feet), Map T-21b, a satellite image; and Figures 35-3 and 35-4, a shaded relief map and a stereogram showing the Okmok Caldera (53°25'33"N, 168°07'38"W) on Umnak Island in the Aleutian Islands. What will be an ideal response?
Using the graph pictured below that shows the tons of cod catch in the North Atlantic from 1900 on, match the appropriate letter with the description given
1. What area on the graph represents a slight recovery in the collapsed fishery? 2. What area on the graph represents the point when fishermen began to use bottom trawlers to catch fish? 3. What point on the graph represents the year when 20,000 fishermen and fish processors lost their jobs? 4. What point on the graph represents the fish catch after the use of bottom trawlers was established? 5. At what point on the graph would it have been most beneficial to implement sustainable fishing practices to preserve the cod fishery?