Take a piece of paper and fold it in half. Place it on a table like a tent and gently blow underneath it. The paper will then
A. fly up off the table.
B. not move at all, if you are careful to blow underneath it.
C. flatten down on the table.
C. flatten down on the table.
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Which of the following is NOT one of the four stages in the development of a terrestrial planet?
a. flooding b. cratering c. slow surface evolution d. fusion of hydrogen to helium e. differentiation
Particles of matter and antimatter have the
A) same charge and mass B) same charge but different mass C) different charge and mass D) same mass but opposite charge
Rotational Kinetic Energy: A solid sphere and a solid cylinder, both uniform and of the same mass and radius, roll without slipping at the same forward speed. It is correct to say that the total kinetic energy of the solid sphere is
A. more than the total kinetic energy of the cylinder. B. less than the total kinetic energy of the cylinder. C. equal to the total kinetic energy of the cylinder.
The impact of meteorites on the Moon has caused
a. craters only. b. rays only. c. rills only. d. both rays and craters.