A 0.25 kg lump of putty is thrown to the east at 7.0 m/s. The putty collides with a 1.5 kg block that is moving west at 0.5 m/s. The putty and block stick together after the collision.

What happens to atoms and chemical bonds during a reaction?

Which two particles are found in the center of an atom

Engineers find a new metal that is stronger than steel but much lighter. this material is also significantly cheaper than what is currently used for most aircraft, available in large quantities, and easy to manufacture. the engineers are excited because this new material will lower the costs of buying and operating airplanes for companies. what is probably the best step for the engineers to make next?