A single point on a distance time graph tells the speed

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

The graph describes the motion of an object. the object moves with from a to b. it from b to c. it moves with from c to d.

Which magnetic property best describes a magnet’s ability to act at a distance? magnets are dipolar. magnets attract only certain objects. magnets have magnetic fields. magnets can transfer their properties to certain materials.