Weight and Mass The Mars Phoenix Lander weighs about 3,400 N on Earth.
It weighs about 1,300 N on Mars. If the dog weighs
60 N on Earth, what would he weigh on Mars and the
moon?

carla slowed down in the beginning of her trip, stopped, and then sped up

the old price per ounce is c/4.

the new price per ounce is c/3.6.

the ratio of the old price to the new one is

(c/4)/(c/3.6) = (c/c)×(3.6/4) = 0.9 . . = 9/10 . . "nine tenths" in either form

b. a lightning bug, plug of grass, and a worm

according to jean piaget, in what stage of cognitive development are children able to understand conservation task?

b. preoperational

just took it