Ahiker walks 4.5 km at an angle of 45° north of west. then the hiker walks 4.5 km south. what is the magnitude, angle, and direction of the hiker's total
displacement?

Eddy whose mass is 55kg climbs up the 1.50 meter high stairs in 2s.calculate eddy’s power rating

Imagine that you have two balloons (or, better yet, actually inflate two balloons, if possible). create static electricity around one of the balloons by rubbing it against your hair or your sweater and then bring that balloon close to the other balloon, which has not been charged. try this with at least one other object—and for variety in the discussion, avoid using an object already described by your classmates. then, for your initial post to the discussion, answer the following questions: what happened with the two balloons?

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up