The quantity is known as
a. kinetic energy.
b. potential energy.
c. work.
d. energy.
e. power.
a
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Classify the following as element, compound, or mixture, and justify your classifications: table salt, stainless steel, table sugar, aluminum, ice
A) mixture; element; compound; element; element B) compound; mixture; compound element; compound C) mixture; compound; mixture; element; compound D) compound; element; compound; element; compound
During a lightning strike you don't want to be inside a building framed with
A) steel. B) iron. C) aluminum. D) wood.
Estimation: A reasonable estimate for the mass of a typical new-born baby is
A. 1 kg. B. 3 kg. C. 10 kg. D. 20 kg.
A European sports car dealer claims that his product will accelerate at a constant rate from rest to a speed of 100 km/hr in 8.00 s. What is the speed after the first 4.00 s of acceleration? (Hint: First convert the speed to m/s.)
a. 27.8 m/s b. 41.7 m/s c. 20.9 m/s d. 13.9 m/s e. 6.95 m/s