The jackrabbit's powerful legs help it run fast to escape from predators, this is an example of *

•A behavioral adaptation
•Poor breeding
•physical adaptation
•functional adaptation

The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force

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)

An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?