A scientist has discovered a new radioactive element. She finds that the radiation is able to pass through the cardboard box holding the sample, but doesn't pass through the row of steel file cabinets along her wall. The radiation is most likely
A. alpha particles.
B. beta particles.
C. gamma particles.
B. beta particles.
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What three properties describe a black hole?
What will be an ideal response?
Which of the following statements correctly describes the motion of the particles in Saturn’s rings?
a. Particles in all the rings hover motionlessly high above Saturn. b. Particles in the inner rings orbit Saturn at a faster speed than particles in the outer rings. c. Particles in the inner rings orbit Saturn at a slower speed than particles in the outer rings. d. All the particles in the rings orbit Saturn with the same orbital period.
The partial trapping of solar radiation is known as the ________
Fill in the blank(s) with correct word
An object whose center of gravity is above its base of support will be unstable if a vertical line projected downward from the center of gravity falls outside of the base of support
Indicate whether the statement is true or false