It looks like you are using an ad blocker. That's okay. Who doesn't? But without advertising revenue, we can't keep making this site awesome. Click the link below for instructions on disabling adblock.
I need to find out how to do this, i got a test tommorow. Somebody help me please. You can just rearrange the equation without the numbers if you want.
A 5.0kg rock dropped near the surface of Mars reaches a speed of 15m/s in 4.0s. Mars has a radius of 3.38E6 m. What is the mass of Mars?
