Confidence votes 123. The weight that can be carried in a semi trailer legally varies. It depends on how much the tractor pulling the trailer weighs. The maximum weight of the total unit, truck and trailer is limited at 80,000 lbs without getting special permits.
We canât feel Earthâs rotation or spin because weâre all moving with it, at the same constant speed. Earth spins on its axis once in every 24-hour day. At Earthâs equator, the speed of Earthâs spin is about 1,000 miles per hour (1,600 kph). The day-night has carried you around in a grand circle under the stars every day of your life, and yet you donât feel Earth spinning. Why not?
How fast is the Earth's rotation at Tucson, AZ? Tucsonâs latitude is about 32.1 degrees. So, while the speed at the equator is about 1038 miles/hour at the equator, it is about 879 miles/hour at the latitude of Tucson. 2. For how long have we known that Earthâs axis and rotation change with each major earthquake?