Which one of the following statements is false?
Select one:
a. Air resistance and friction b...
Physics, 01.02.2022 16:50 electrofy456
Which one of the following statements is false?
Select one:
a. Air resistance and friction both oppose an object's motion
b. Friction opposes motion and can be reduced with lubrication
c. Air resistance is greater the faster the object is travelling
d. Air resistance only occurs when the wind is blowing
e. To keep a boat moving a driving force is needed to overcome water resistance
Answers: 3
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Asubmarine has a "crush depth" (that is, the depth at which water pressure will crush the submarine) of 250 m. what is the approximate pressure (water plus atmospheric) at this depth? (recall that the density of seawater is 1025 kg/m3, g = 9.81 m/s2, and 1 kg/(ms2) = 1 pa = 9.8692 10-6 atm.) a. 34.8 atm b. 24.8 atm c. 25.8 atm d. 7.8 atm
Answers: 2
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Carbon-14 is a radioactive element that undergoes beta decay. which force is responsible for allowing carbon-14 to become stable? electromagnetic gravitational weak nuclear strong nuclear
Answers: 2
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The experiment was repeated many years later but the gases were mixed in a different type of container. a white solid was obtained which was xenon fluoride. predict whether you think 1) krypton and 2) radon will react with fluorine. explain reasons for your predictions
Answers: 3
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