Calculate the distance (in Km) that Charlie runs if he maintains the average speed from question 2 for 1 hour Question 2: Calculate the average speed (in Km/hr) of Charlie who runs to the store 4 Km away in 30 minutes? Answer to question two: 8km

Will give brainliest! jay rides his 2.0-kg skateboard. he is moving at speed 5.8 m/s when he pushes off the board and continues to move forward in the air at 5.4 m/s. the board now goes forward at 13 m/s.a. determine jay’s mass.b. determine the change in the internal energy of the system during this process.(express your answer to two significant figures and include the appropriate units.)

What practical value did astronomy offer to ancient civilizations?

What is an example of static friction