As a golf ball falls after rolling off the edge of a table, its horizontal component of motion
A. remains constant.
B. increases.
C. decreases.
D. cannot be analyzed.
Answer: A
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A parcel of air with an initial temperature of 80°F begins to rise in Location B. The LCL of the parcel is 4000 feet. With a red (or labeled) line, carefully draw the temperature decrease of this parcel of air as it rises to 10,000 feet. Be sure to consider the LCL, and the DAR and SAR.
(a) Will this parcel of air begin to rise from the surface on its own? Why?
(b) Does the stability of this parcel change with increased elevation? If so, at what elevation does this change occur?
(c) How would the pattern of stability below 10,000 feet be different if the lifting condensation level was not reached until 9000 feet?
After many years of planning, trains could travel all the way from Adelaide to Darwin in ________, reducing the isolation of the Northern Territory capital and the towns along the rails
A) 1888 B) 1913 C) 1945 D) 2001
Forces have both magnitude and direction
Indicate whether the statement is true or false
The two most abundant elements in Earth's crust are ________.
A. carbon and oxygen B. iron and magnesium C. carbon and hydrogen D. hydrogen and oxygen E. oxygen and silicon