A train travels the first 25km at a uniform speed of 30km/h ; the next 75km at a uniform speed of 50km/h; and the last 10km at a uniform speed of 20km/h .calculate the average speed for the entire train journey.
Share
A train travels the first 25km at a uniform speed of 30km/h ; the next 75km at a uniform speed of 50km/h; and the last 10km at a uniform speed of 20km/h .calculate the average speed for the entire train journey.
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
1 Replies