Two forces of F → 1 = 75.0 2 ⎛⎝ i ^ − j ^ ⎞⎠ N and F → 2 = 150.0 2 ⎛⎝ i ^ − j ^ ⎞⎠ N act on an object. Find the third force F → 3 that is needed to balance the first two forces.

Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies.

Jessie ran 5000 meters from the cops and an average speed of 6 meters / second before he got caught . how long did he run?

Choose all the answers that apply. our solar system: is in a spiral galaxy no longer includes pluto is made mostly of empty space is in the andromeda galaxy is the only known system that supports life