Which best describes what Einstein's theories tried to explain?

the creation of the universe

evolution and human development

how the physical world functions

the possibility of time travel

Why does honey flow more slowly than water?

A 59 g arrow is shot straight up into the air with a speed of 25 m/s. It reaches a maximum height of 30.8878 m. Find the initial kinetic energy. The acceleration of gravity is 9.8 m/s 2. Answer in units of J.

What if the earth were larger? The atmosphere would float away. The planet would not have enough gravity. Gravity would pull too hard on the atmosphere. The planet would collapse on itself.

A beaker of water is heated to increase its solubility, and it is saturated with a solid solute compound, such as salt. Then the solution is cooled down and a small salt crystal is dropped into the water. What would you expect to happen?

A karyotype is used to track the occurrence of a trait in a family

The capacitance of a parallel-plate capacitor does not depend on: area of the plates medium between the plates distance between the plates the material of which the plates are made

Which sequence lists types of material in order from least conductive to most conductive

Spectrum is Latin for which word? A. appearance B. scale C. range D. spread

How is work related to force and displacement?

Calculate the buoyant force (in N) on a 1.0 m^3 chunk of brass submerged in a bath of mercury.