If the tank of a car holds 16. gallons of gasoline (a) this is equivalent to how many liters of gasoline? (b) how many kilometers can it travel on one tank if it gets 25 miles/gal?
What will be an ideal response?
(a) 61. liters
(b) 6.4 × 102 km
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If you are measuring the length of a room, the most appropriate SI unit is the
A) kilometer. B) meter. C) centimeter. D) millimeter. E) micrometer.
A cube of water ice (? = 0.917 × 10^3 kg/m3) is placed in mercury (? = 13.6 × 10^3 kg/m3), which is liquid at 0° Celsius. If we ignore any possible melting of the ice cube and problems with the surface tension of mercury, the fraction of the ice cube that floats above the surface of the mercury is
a. 0.067 4. b. 0.073 5. c. 0.926. d. 0.933. e. 1.00.
Gamma-ray bursts seem to be associated with violent events involving _______________
a. planets b. neutron stars c. black holes d. neutron stars or black holes
Based on the above graph, the average time between maximums of the sunspot cycle is about
A) 110 years. B) 11 years. C) 1 year. D) a few months.