Consider massive gliders that slide friction-free along a horizontal air track. Glider A has a mass of 1 kg, a speed of 1 m/s, and collides with glider B, which has a mass of 5 kg and is at rest
If they stick upon collision, their speed after collision will be A) 1/4 m/s.
B) 1/5 m/s.
C) 1/6 m/s.
D) 1 m/s.
E) none of the above
C
You might also like to view...
How does an atom's electronegativity relate to its ability to become oxidized?
A. Electronegativity does not affect the atom's ability to become oxidized. B. The greater the electronegativity of an atom, the greater its ability to become oxidized. C. The lower the electronegativity of an atom, the lower its ability to become oxidized. D. The greater the electronegativity of an atom, the lower its ability to become oxidized.
Which of the following has not been practiced in India in their attempt to reduce their population growth?
A) camps for voluntary sterilization B) a national family planning program C) free or subsidized distribution of birth control devices D) legalized abortions E) mass deportation of immigrants (both legal and ilegal)
________ pollutants are chemicals or particles that are directly emitted from identifiable sources
A) Tertiary B) Natural C) Man-made D) Secondary E) Primary
Why is radon gas of concern?
A. It is causing global warming. B. It is causing depletion of the ozone layer. C. It is a sign of an impending volcanic catastrophe. D. It causes cancer in humans.