An elephant lifts 7 large logs from the ground to a container 5 meters above the ground as part of a zoo demonstration. the elephant exerted a force of 250 newtons to lift each log. how much work did the elephant do altogether? a. 1250 j b. 1750 j c. 7880 j d. 8750 j

Part a constants huck finn walks at a speed of 0.60 m/s across his raft (that is, he walks perpendicular to the raft's motion what is huck's velocity (speed and direction) relative to the river bank? express your answer to three significant figures and include the appropriate units. relative to the shore)

You are given two vectors a⃗ =−3.00ι^ 5.00j^ and b⃗ =5.00ι^ 2.00j^. let the counterclockwise angles be positive.

What describes the particles in a liquid