A 1,000 kg truck moving at 10 m/s runs into a concrete wall. It takes 0. 5 seconds for the truck to completely stop. What is the magnitude of force exerted on the truck during the collision?.

Generally, investment philosophy is dividend into one category: conservative.

Give an example of the type and scale of economic activity for a traditional economy.

Which statements about the two fossil images are correct? 1. cave bears are ancestors of plateosaurus. 2. plateosaurus were present on earth before ostracoderms. 3. ostracoderms were the first to die. 4. plateosaurus died after the ostracoderms. 5. cave bears are the oldest fossils.