19.3- Magnetic Force 1. A proton moves perpendicularly to a magnetic field that has a magnitude of 4.20 x 102 T. What
is the speed of the particle if the magnitude of the magnetic force on it is 2.40 x 10-14 N?

the arctic is a region of the planet, north of the arctic circle, and includes the arctic ocean, greenland, baffin island, other smaller northern islands, and the far northern parts of europe, russia (siberia), alaska and canada.

i believe the answer would be:

d. violin, clarinet, french horn, and tuba