A bus is traveling at a speed of 55 mph. If the bus is half of a mile from a train crossing how many seconds will it take the bus to reach the crossing at its current speed?

Sketch the vector field vector f( vector r ) = 8vector r in the xy-plane. select all that apply. the length of each vector is 8. the lengths of the vectors decrease as you move away from the origin. all the vectors point away from the origin. all the vectors point in the same direction. all the vectors point towards the origin. the lengths of the vectors increase as you move away from the origin.