If a man drives his car 6km North before making a right hand turn and driving 6 km to the East. then, he makes a left hand turn and travels another 2 km to the north. What is the magnitude of the overall displacement of the driver ?

What property is a characteristic of a substance that can be observed and does not change the identity of the substance

If the speed of a particle triples ,by what factor does its kinetic energy increase?

You and a friend (alex) are at a a tree-top adventure park .. . part of the course requires you to climb up a rope. you both climb the same rope in the same amount of time. however, the tension in the rope is greater when alex climbs. who did the most work? alex did - more tension means more force - more force means more work was done you did - less tension means less force - less force means more work was done to find the work done, the force exerted and distance moved are multiplied. a couch is moved twice before you are happy with its placement. the same force was used to move the couch both times. if more work is done the first time it is moved, what do you know about the distance it was moved? when more work was done, the couch was moved less. when more work was done, the couch was moved further. when more work was done, the couch wasn't moved at all. when more work was done, the couch was moved the same distance.