Trains Crossing Platform and Static Objects Speed A train approaches a platform that is perpendicular to its track. The platform is occupied by various stat...
Trains Crossing Platform and Static Objects Speed
A train approaches a platform that is perpendicular to its track. The platform is occupied by various static objects, including a trolley with a mass of 10 kg, a box of mass 5 kg, and a small object with mass 2 kg.
Speed:
The train's speed is 20 m/s.
The trolley has a speed of 5 m/s.
The box of mass 5 kg has a speed of 3 m/s.
Distance:
The train's distance to the platform before it crosses is 40 m.
The trolley's distance to the platform before it reaches the train is 20 m.
The box of mass 5 kg moves 10 m to reach the platform.
The small object's distance to the platform is negligible.
Relative Speed:
The relative speed between the train and the trolley is 15 m/s.
The relative speed between the train and the box is 12 m/s.
Relative Speed between Train and Small Object:
Conclusion:
The train's speed is higher than the speeds of the trolley and box.
The relative speed between the train and the small object is faster than the relative speed between the train and the trolley.
The distance traveled by the train before it crosses the platform depends on the mass of the objects on the platform