Suppose a truck travels 60 Kilometer in first hour and 80 Kilometer in Second hour. What is Average Speed of Truck?

On May 26, 1934 a stainless steel diesel train called the zephyr set the world's nonstop distance speed record for trains.  It's run from Denver to Chicago  took 13 hours, 4 minutes,  58 seconds,  and was witnessed by more than a million  people along the route. The total distance traveled was 1633.8 km what was average speed in km/h? Km/h What's the average speed in m/s? M/s

Jason and Eddie are traveling from Atlanta to Miami which is a distance of 662 miles. It took them two hours and 45 mins to get to Valdosta Georgia. Then, they made it from Valdosta to Miami in 8 hours and 30 minutes. what would be Jason and Eddie's average speed for this entire trip?

Usually, Tony travels to Bunbury from Perth city in 2.50 hours. One day he increases his average speed by 12.0 km/h and takes 22.5 minutes less time to reach Bunbury. (a) What was his usual average speed? What was the distance travelled? (b) On the way he stopped at a rail crossing (6.00 m wide) and a train (total length 144m) decelerating at -0.585 ms2 just entered the crossing with a velocity of 13.7 m s¹. Sketch a diagram and find the minimum time for the last carriage of the train to clear the crossing.