16. Morgan rides a 4.5-mi course in 1.5 h. She then rides a second lap of the same 4.5 - mi course in 1.2 . How much faster was Morgan's average speed on the second lap?

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.

explanation:

v=uf/(u-f)

= 5.-10/(5+10) convex lens has negative focal length

c

explanation:

an energy transformation flow diagram is shown

where is it ?