Nowadays, because of higher education standards, the average backpack would have to weigh between 13 to 19 pounds I'm sure.
Well they can weigh anything but the average is about 7 pounds
1.5 pounds
On average, 32000 pounds.
6,666,666,666 people weighing an average of 150 pounds each would weigh a total of 1 trillion (1,000,000,000,000) pounds.
the weight of a hump back whale is 177metric tons
Depends on the whale. Blue whales weigh 6000 lbs for instance.
depends on the models but i think the average weight is around 2700 pounds
the average pyramid block weighs about 5,600lbs
Adult males average 80-130 lbs.
average weight 90lb.
The average European weighs 8lbs - 15lbs. But the weigh may vary.
It depends on the average weight of the steel bars. For example, if they each weigh 50 pounds, then 40 of them will weigh a ton. If they each weigh 20 pounds, then 100 of them will weigh a ton.