A physics teacher exerts a force upon a 3.29 kg pile of snow to both lift it and set it into motion. The snow leaves the shovel with a speed of 2.94 m/s at a height of.562
m. Determine the work done upon the pile of snow.

Suppose that a comet that was seen in 563 a.d. by chinese astronomers was spotted again in year 1951. assume the time between observations is the period of the comet and take its eccentricity as 0.986. what are (a) the semimajor axis of the comet's orbit and (b) its greatest distance from the sun?

The ozone hole appears in antarctica during

What’s #16 asking and how do i solve it?