Physics, 11.07.2019 19:30 Jennifer2005
Estimate the number of breaths taken by a person during 70 years
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Aboxcar traveling at 12 m/s approaches a string of 5 identical boxcars sitting stationary on the track. the moving boxcar collides and links with the stationary cars and they all move off together along the track. what is the final speed of the cars immediately after the collision? (you may take the mass of each boxcar to be 18,537 kg.)
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Which type of bond is found between the atoms of a molecule? a. metallic b. delocalized electron c. covalent d. ionic
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The graph represents the distance a car travels over time while on the highway. which statement about the car's trip is accurate? a) the car does not move over time. b) the car travels at a constant velocity. c) the car's velocity increases constantly over time. d) the car's velocity decreases constantly over time.
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Estimate the number of breaths taken by a person during 70 years...
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