In terms of momentum, why is a glass less likely to break if it falls on a carpeted floor compared with falling on a hard concrete floor?
What will be an ideal response?
The carpet has more "give," which means it takes more time for the momentum of the falling glass to change as it hits the surface. More time means less force, which means less chance of breaking upon impact.
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Temperature is typically determined __________ by
A) directly; measuring the heat content of air molecules B) directly; measuring of the speed of air molecules C) indirectly; measuring the effect that temperature has on other materials D) indirectly; measuring the evaporation of fluid inside a thermometer
What might be the contemporary basis for conflicting claims to the Arctic?
A) potential for energy resources B) old Cold War grudges C) colonial expansion D) shifting sea ice formations E) the proximity of South American and African countries
How many molecules of NADH are obtained for each C2 fragment which enters the common catabolic pathway?
A) 1 B) 2 C) 3 D) 4
Which of the following immunoglobulin classes has the largest molecular weight?
A) IgA B) IgD C) IgE D) IgM