1. You have a 400 kg car traveling at 15 m/s. It takes 6 seconds to come to a complete stop when it hits a wall. How much force did it take?

Lin yao looks at the back of a spoon. how should she describe her reflection? upside down and smaller upside down and larger right-side up and smaller right-side up and larger

What is the temperature in degrees celsius of a substance with a tempature of 49k

Avolcano erupts next to a grassland area in a valley. a. describe three ways in which material released by the volcano could impact the grassland area. b. describe three ways in which the grassland ecosystem could recover after a volcanic eruption.