What is the momentum of a 3 kg object moving east at 4 m/s?

if you are in Birmingham AL, and you want to use your cell phone to talk to your cousin in Houston, TX, what must occur in order for communication to be completed?

Anna needs to move a box of paperback books across the room. If she applies a force of 20 newtons to the box, what is the magnitude of the force exerted by the box on Anna?

A 0.111 kg hockey puck moving at 55 m/s is caught by a 80. kg goalie at rest. with what speed does the goalie slide on the frictionless ice?

About 2% of our solar nebula consisted of elements besides hydrogen and helium. However, the very first generation of star systems in the universe probably consisted only of hydrogen and helium.

Hikers went on a five mile hike which they started at 1 pm and stopped at 3 pm they ended up 300 meters south of the trail head where they started. what was the hikers velocity?

Order the colors of the rainbow starting with the color that is bent the least to the color that is bent the most (when it passes through a prism). Question 1 options: yellow blue indigo orange green red violet

Find the unit vector that has the same direction as the vector v = _12j

Why isn't the size of something considered a physical property?

A hunter is standing on flat ground between two vertical cliffs that are directly opposite one another. He is closer to one cliff than the other. He fires a gun and, after a while, hears three echoes. The second echo arrives 1.

A car going at 30 m/s undergoes an acceleration of 2 m / (s^2) for 4 seconds. how far did it travel while accelerating?