- Imagine that you are hovering next to a space shuttle and your buddy of equal mass who is moving a 4 km/h with respect to the ship bumps into you. If he holds onto
you, how fast do you both move with respect to the ship?

d

explanation:

v=uf/(u-f)

= 5.10/(5-10) convex lens has positive focal length

=50/-5

=-10 cm (formed at other side)

at right angles to each other

answer a fan shaped mass of sediment deposited at the base of a mountain front do to an abrupt change in stream gradient;