Author Question: Billy swims to a point straight across a 100. m wide river that flows at 1.2 m/s. How long does it ... (Read 111 times)

craiczarry · **on:** Jul 27, 2018

Billy swims to a point straight across a 100. m wide river that flows at 1.2 m/s. How long does it take him to swim to the other side?

What will be an ideal response?

Question 2

If Mars had a thicker atmosphere with a strong greenhouse effect, the outer boundary of the Sun's habitable zone would lie

A) roughly halfway between the orbit of the Earth and Mars
B) just within the orbit of Mars
C) roughly halfway between the orbit of Mars and Jupiter
D) just beyond the orbit of Mars