George rides his bike to his friend’s house that is 5 kilometers from his house. If he rides his bike at an average speed of 15 km/h, how long will it take him to get to his friend’s house?

A6.5-g iron meteor hits the earth at a speed of 295 m/s. if its kinetic energy is entirely converted to heat in the meteor, by how much will its temperature rise? the specific heat of iron is 113 cal/kg ∙ c°, and 1 cal = 4.186 j. a) 57,100 c° b)384 c° c)0.147 c° d)92.0 c°