Chemistry, 14.11.2019 19:31 osnielabreu
Which of the following is a complete description of the velocity of an object in motion?
a train travels due west at 90 km/h.
a 7 kg bowling ball rolls a distance of 20 m in 3 s.
a runner jogs 6 km/h for 10 minutes.
birds fly 600 km south for the winter.
Answers: 2
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Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.
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Chemistry, 22.06.2019 14:00
Ascientist measures the speed of sound in a monatomic gas to be 449 m/s at 20∘c. what is the molar mass of this gas?
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Structure of the atoms: discovery of the nucleus in 1909i need answering all of these questions
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Detrimental the length of the object shown 1. 97.8mm 2. 97.80 mm 3. 97mm 4. 98mm
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Which of the following is a complete description of the velocity of an object in motion?
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