How many leg of elephant?
i guest, it have four legs.

The slope of a velocity time graph over any interval of time gives the during that interval

The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space.b. we'll know it immediately because it will be brighter than the full moon in the sky.c. we won't know about it until 600 years from now.d. none of the above.

Where is the potential energy throughout the loading, cocking, and releasing of the trebuchet?