What is a free fall?

Identify two beliefs that Piaget and Vygotsky share regarding cognitive development. (Site 1)

What two gases probably dominated precambrian earth's atmosphere?

Gases, as opposed to solids and liquids, do not have definite volumes. If we decrease the volume of a gas in a closed container the result is that we increase the gas pressure. The best explanation for this is that decreasing the volume ...

If a star is 10 light-years away from us and it explodes today, when will we know that it exploded? today 10 years from today 10 parsecs from today

Which describes a planet speed as it orbits the sun

A spring tide can occur at what day and month?

A superhero flies 285 m from the top of a tall building at an angle of 35◦ below the horizontal. What is the horizontal component of the superhero's displacement?

How does a substance's temperatura chanté when the average kinetic energy of its particles increases? When it decreases?

Because the moon rotates once for each revolution around Earth, Choose one answer. a. you see some phases more than others. b. a different side of the moon faces Earth each day. c. you never see the far side of the moon.

Planet A takes 1 year to go around its star at an average of 1 A. U. distance. Planet B is 4 A. U. from the star. Calculate how long Planet B takes to orbit.