How does the color of water affect its evaporation rate

A2 kg ball travellng to the right with a speed of 4 m/s collidees with a 5 kg ball traveling to the left with a speed of 3 m/s. take right to be the positive direction. what is the total momentum of the two balls before they collide? what is the total momentum of the two balls after they collide?

The of a machine determines its "usefulness." a. input force b. output force c. mechanical advantage

Why is the use of carbon-14 limited