Depends on WHICH Aircraft you're talking about.
What's the Take-Off Speed of Boeing 787-8 Dreamliner
max take off speed is 160knots
A jets take of speed is dependent upon the weight of the jet and its cargo. The average take of speed for a Boeing 707 is 150 miles per hour.
A Boeing 777 has a take off speed of about 165 to 215 miles per hour. A typical Boeing 777 can carry 314 to 451 passengers and is a long-range wide-body plane.
138 knots average
it is commonly 140 mph on average
Take-off speeds for the Boeing 737 range between 130 kts and 160 kts Landings speeds for the Boeing 737 range between 110 kts and 170 kts.
A Boeing 777 takes off at a speed of about 195 miles per hour.
This varies depends on the size of the plane. A smaller aircraft like Cessna would need a very less take-off speed than a Boeing. The average take-off speed is 280kmph.
The lift off speed is dependant upon the weight of the aircraft. The heavier the aircraft the higher the speed. At maximum take off weight of 875,000 lbs (396,890 kgs) Vr (rotation speed) will be about 175 knots and V2 about 185 knots.
The takeoff speed of a Boeing 747 can vary depending on factors such as weight, runway length, and weather conditions. However, generally speaking, the takeoff speed of a Boeing 747 is around 180-200 knots (207-230 mph).
Maximum after take off is 250 knots unless otherwise stipulated by atc