Abody is moving according to the relation: vf=21,then its displacement after 5s
a.10m
b.15m
c.20m
d.25m

explanation: magnetic pole, region at each end of a magnet where the external magnetic field is strongest. the south-seeking pole, or any pole similar to it, is called a south magnetic pole. unlike poles of different magnets attract each other; like poles repel each other.

answer; equivalent to a one(1) horsepower motor;