A pedestrian moves 2.5 km east and then 3.6 km north.
Find the magnitude of the resultant dis-
placement vector.
Answer in units of km.

Identical marbles are released from the same height on each of the following four frictionless ramps . compare the speed of the marbles at the end of each ramp. explain your reasoning

A110-pound person pulls herself up 4.0 feet. this took her 2.5 seconds. how much power was developed? 0.13 hp 0.32 hp 2.0 hp 3.1 hp

Which is not one of the major climate zones? question 3 options: rain forest polar tropical temperate