Mandeep climbs up a 10 meter ladder with a force of 4 newtons in 20 seconds what is his power output

The direction of the current in an alternating current circuit remains constant. is direct. changes repeatedly. changes randomly.

I’ve been stuck on this for a while

Which phrase describes the paleo-indians of prehistoric arkansas? a. grew cornb. lived in cliff dwellings c. crafted beautiful potteryd. hunted with stone-tipped spearswhich phrase describes native arkansas from the woodland traditiona. developed widespread agricultureb. hunted mastodon and woolly mammothc.built rectangle-shaped homesd. traded salt with other groups