Knowing the units the speedometer is displaying is very important. Driving in an area with a posted speed in kph and reading the speedometer on your vehicle in mph is sure to get you a speeding ticket eventually. Driving by a kph speedometer where the posted limit is in mph will make for...
100 kilometers is equal to how many miles? A car travels 1 mile in 75 seconds. At this rate, how many miles will the car travel in 1 hour? If your travelling at a rate of 80mph, how long does it take to travel 80 miles?
The DJI Mini 2 boasts a top flight speed of 36 mph (57.6 kph) with a maximum flight duration of 31 minutes. It can fly as far as 10km away in perfect conditions. What is the DJI Mini 2 return to home height? Initiating an RTH (Return to Home) command on a drone will prompt it...
Most ice-resurfacing machines have a maximum speed of 9 to 10 mph (14 to 16 kph) and weigh between 5,000 and 6,000 pounds (2,300 to 2,700 kg)!The NHL requires that two machines resurface the ice between periods. The ice is resurfaced before the game, after warm-ups, between ...
Shown just before touchdown at 90 mph (145 kph), SpaceShipOne returns to the runway. Photo courtesy Scaled Composites, LLC Burt Rutan had this to say about the history and direction of Tier One: Our concept design work began in 1996, and some preliminary development began in 1999. Our ful...
When the airspeed reached about 17 mph (27 kph), I could feel the hang glider lift me off the ground. As I was lifted, I moved my hands from the sides of the control bar to either side of its base. To fly, I had to do two things: maintain a constant speed and keep my ...
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...
A hard-disk platter can spin underneath its head at speeds up to 3,000 inches per second (about 170 mph or 272 kph)! The information on a hard disk is stored in extremely small magnetic domains compared to a cassette tape's. The size of these domains is made possible by the precision...
If you've read the HowStuffWorks article How Force, Torque, Power and Energy Work, you know that power is equal to force times speed. So the amount of power used by the tires depends on how fast the car is going. At 75 mph (120.7 kph), the tires are using 12 horsepower, and at ...
By the time they reached the water, the cliff-diving competitors were traveling at speeds of 53 to 62 mph (85 to 100 kph) [source: Red Bull Media Service, Red Bull Media Service]. Famous Cliff Diving Locations Thanks to King Kahekili and his cliff-leaping warriors, many consider Hawaii...