A car is moving at a constant speed of 80 m/s and comes to rest after 5 seconds. Calculate the acceleration.

Orange juice has a lower or higher viscosity than chocolate syrup

How is the gravitational force related to the distance between two objects?

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?