A Car of mass 5000kg and a bus of mass 7000kg travels in the mutually opposite direction. The car travels with a speed of 90km/hr towards the bus, which is traveling with a speed of 36km/hr towards the car. After the collision the bus and the car stick together and travels as a single object. What is the speed of the combined mass?
Answers
Answered by
0
Answer:
24km/h
Explanation:
Let the distance between A and B be d ,
Time taken to go from A to B is t=
20
d
Time taken to go from B to A is t
′
=
30
d
The average speed of the car is given by =Total distance/Total time=
t+t
′
2d
=
20
d
+
30
d
2d
=24km/h
Answered by
0
Mass of car=5000kg
Mass of bus =7000kg
The car travels with a speed=90km/hr
The bus is traveling with a speed =36km/hr
Both are moving in opposite direction
--------> <-------------
car Bus
So Relaive velocity of both combined and moving=Velocity of car+Velocity of bus
=90+36=126km/hr.
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