All commercial (heavy) aircraft have a range of landing speeds which vary according to landing weight and configuration (flap setting). The normal range for the 747 for various weights and flap settings is around 130 to 160 kts.
There are many different types of 747. The average landing speed would be 150 knots for a 747. It can be anywhere from about 120 to 180 knots depending on gross weight
What is the vetical ground reaction on the main landing gear assemblies of a Boeing 747 aircraft when landing?http://wiki.answers.com/Q/What_is_the_vetical_ground_reaction_on_the_main_landing_gear_assemblies_of_a_Boeing_747_aircraft_when_landing&src=ansTT
Usually the speed of a Boeing 747 reaches at about 525 to 600 miles per hour.
The average speed of a 747 is about 560 mph.
The maximum speed is 0.92 mach.
585 mph cruising speed
The 747 is lighter on landing because of the fuel it burned off during flight. This is true for all planes.
180 mph
10 or 20 for take off 25 or 30 for landing
The Maximum Take-Off Weight for a Boeing 747-100 is 333, 390kg; a Boeing 747-200 and 747-300 is 377,842kg; a Boeing 747-400 is 396,890kg; a Boeing 747-400ER is 412,775kg and the Boeing 747-8I is 442,253kg.
The A380 compared to the 747 is pretty bug, but it not as long as the 747, that's why the A380's have problems landing on some shorter runways.
140knots