In terms of momentum, why is a drinking glass less likely to break if it falls on a carpeted floor than falling on a hard concrete floor?
What will be an ideal response?
Answer: The carpeted floor has more "give," which means it takes more time for the momentum of the falling glass to reduce to zero as it hits the surface. More time means less force, which means less chance of breaking upon contact with the carpeted floor.
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Buoyancy: A piece of wood is floating in a bathtub. A second piece of wood sits on top of the first piece, and does not touch the water. If the top piece is taken off and placed in the water, what happens to the water level in the tub?
A. It goes up. B. It goes down. C. It does not change. D. It cannot be determined without knowing the volumes of the two pieces of wood.
Using the observations of the Solar and Heliospheric Observatory (SOHO) and Solar Dynamics Observatory (SDO), it may be possible to predict mass ejections from the Sun days in advance
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Seismic P-waves can be detected worldwide from any strong epicenter
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As more and more capacitors are connected in parallel, the equivalent capacitance of the combination increases
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