Considering the speed at which a skydiver is typically free falling -- about 120 mph (193 kph) -- and the lack of options if something goes wrong, a parachute rig needs to be incredibly reliable. There's a lot of popular interest in the fine art of parachute packing. It has all the...
Without this drogue, the combined weight of the instructor and student would cause the pair to fall at 180 to 200 mph (290 to 320 kph) -- much faster than the normal 120 mph. The drogue slows the pair down to the normal falling speed. When it is time to deploy the parachute, the ...
The traction motors can produce adequate torque at any speed, from a full stop to 125 mph (200 kph), without needing to change gears. Why Diesel? Diesel engines are more efficient than gasoline engines, and when moving literal tons of freight or passengers, efficiency is paramount. Train ...
(1)How fast was the wave traveling?A. 250 kph.B. 800 kph.C. 1500 kph.(2)What did the Chinese Embassy do to help?A. It set up temporary hospitals.B. It bought extra supplies from Indonesia.C. It asked a German company to rescue people.(3)What kind of supplies are needed right ...
The traction motors can produce adequate torque at any speed, from a full stop to 125 mph (200 kph), without needing to change gears. Why Diesel? Diesel engines are more efficient than gasoline engines, and when moving literal tons of freight or passengers, efficiency is paramount. Train ...
Hypersonic speed is five times the speed of sound. Scientists measure speeds this fast with a Mach number, named for Austrian physicist Ernst Mach. Sound has a speed of Mach 1 and anything Mach 5 or above is considered hypersonic. While the speed of sound changes depending on temperature and...
Considering the speed at which a skydiver is typically free falling -- about 120 mph (193 kph) -- and the lack of options if something goes wrong, a parachute rig needs to be incredibly reliable. There's a lot of popular interest in the fine art of parachute packing. It has all the...
This has given rise to many locals referring to them as McDonald’s fast food of the bush. If you have found animal tracks and think that they may be from impala, check for the following signs: Cloven hoof impressions that appear in large numbers. Tracks that are very neat, pointed, an...
Is horsepower a unit of energy? How to convert meter into feet with a formula How to convert DC current to AC current with a formula A fast-food item contains 544 nutritional calories. How do you convert this energy to joules? How do the units of work and power compare? How to convert...
[6]. It has a four-wheel base for balance yet remains narrow enough to fit within most cycle lanes. Steering is controlled via two under-seat joysticks. Blending the best elements of car and bike, this machine can hit up to 60kph on roads and teases a 150-kilometer range on a ...