300km in 3 hours = 100km per hour
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ow does 2.75 hours and distance traveled in 2.75 hours look like on a table and graph with a bus traveling at 60 mph? In:http://wiki.answers.com/FAQ/2316, http://wiki.answers.com/FAQ/3418[Edit categories]
Speed = Distance / Time First bus speed = 300 / 7.5 = 40km/h Second bus speed = 450 / 9 = 50km/h So now we can put them in to a ratio as 40:50. This can be simplified by dividing both by 10 so you have 4:5
The average speed of the bus would be 90 km/h (450 km divided by 5 hours).
Momentum is a function of velocity and mass, therefore, assuming a "large" bus has more mass than a "small" car the bus would have more momentum since the velocities are the same.
45.6517 mph or 73.4693 kmh.