• Another man pushes a crate as shown with a force of 550 N and does 2.2 kJ • of work. Through what distance does he push the crate?

Phase changes are chemical changes. true or false

Imagine you are standing in the antarctic during the southern hemisphere summer. the sky is clear and blue. there are no clouds in the sky. your shadow is cast on the icy ground. what is the color of the shadow?

Could we see a galaxy that is 20 billion light-years away?