A train approaching a crossing changes speed from 10 m/s to 25 m/s in 240 s. How can the train"s acceleration be described
civicpride-kusatsu.net: A train approaching a crossing changes speed from 10 m/s to 25 m/s in 240 s. The train"s acceleration be described negative. User: What is the most appropriate SI unit to express the speed of a cyclist in a 10-km race? civicpride-kusatsu.net: Km/h is the most appropriate SI unit to express the speed of a cyclist in a 10-km race. User: What is instantaneous acceleration? civicpride-kusatsu.net: Instantaneous acceleration is the acceleration of an object at a specific moment of time. User: A horizontal line on a distance-time graph means the object is civicpride-kusatsu.net: A horizontal line on a distance-time graph means the object is at rest. (More)
civicpride-kusatsu.net: An object that is accelerating may be slowing down, gaining speed, and changing direction. (More)
Suppose you increase your walking speed from 5 m/s to 15 m/s in a period of 3 s. What is your acceleration?
Suppose you increase your walking speed from 5 m/s to 15 m/s in a period of 3 s, acceleration is 3.333 m/s^2; a=vf-vi/t ; a=15-5/3 ; a=10/3 ; a=3.33 m/s^2
A train travels 82 kilometers in 3 hours, and then 64 kilometers in 5 hours. What is its average speed?
civicpride-kusatsu.net: A train travels 82 kilometers in 3 hours, and then 64 kilometers in 5 hours. The average speed is 18.25. v = d/t ;v = (82 km + 64 km)/(3 hrs + 5 hrs) ;v = 146 km / 8 hrs;v = 18.25 km/hr (More)

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