( pls help me i worked hard for these points! i hope u will not write anything for the points pls help me! due is today)

a) 500 m

b) 50 s

c) speed= distance/time= 500/50= 10 m/s

hope it helps! please mark me brainliest

thank you! have a good day ahead

if u follow me, I will follow u back!

d

explanation:

v=uf/(u-f)

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

=50/-5

=-10 cm (formed at other side)