What weights 50 trams excatly?

The weight of 50 trams would depend on the specific model and design of the trams, as they can vary significantly. On average, a single tram can weigh between 30,000 to 50,000 kilograms. Therefore, 50 trams could weigh anywhere from 1,500,000 to 2,500,000 kilograms (or 1,500 to 2,500 metric tons) collectively. For an exact figure, you'd need the weight of the specific tram model in question.