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Answer:
100kmph
Step-by-step explanation:
v1 = 50 kph ; v2 = ? kph ; t1 = 2 h ; t2 = 1 h
Let v1 = the speed of bus 1 and let v2 = the speed of bus 2
Let t1 = the travel time of bus 1 and let t2 = the travel time of bus 2
Solving for the distance traveled by bus 1
distance = speed * time
distance = v1 * t1 = 50 kph * 2 h = 100 km
The distance traveled by bus 2 is also 100 km at the time of overtaking bus 1
Solving for the speed of bus 2
speed_bus 2 = distance / time of travel
speed_bus 2 = 100 km / 1 h
speed_bus 2 = 100 km/h
The rate of the second bus is 100 km/h.