A tennis ball is held above and in contact with a basketball, and then both are simultaneously dropped. The tennis ball bounces off the basketball at a fairly high speed. This is because:
a. the basketball falls farther than the tennis ball.
b. the tennis ball is slightly shielded from the Earth's gravitational pull.
c. the massive basketball transfers momentum to the lighter tennis ball.
d. the tennis ball has a smaller radius.
C
You might also like to view...
The lowest permitted energy level of an atom is called the neutral state
a. True b. False Indicate whether the statement is true or false
How is Pluto now classified by astronomers?
A. as a planet B. as a comet C. as a dwarf planet D. as a star E. as an asteroid
Which of the following is not a unit of work?
A) Kg-m/s B) J C) Kw-h D) N-m E) W-s
A single slit of width a is illuminated by light of wavelength ?. If a = 4.3?, the maximum number of dark fringes on a semi-circular screen surrounding the slit is
a. 2. b. 4. c. 6. d. 8. e. 9.