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 a much longer drive time....
1) How many seconds does it take a car traveling 40 mph, decelerating at a rate of 7 miles per second, to come to a complete stop? 2) What is the distance covered? (feet) How long would it take for someone to make it to 60 miles if they're going 40 mph? If I ...
the possibilities are limited only by your imagination -- and good sense. While alpine (downhill) skiing is extreme enough for a good many of us, others quickly master it, grow bored and look for something more challenging.
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 ...
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 ...
Runkeeper, a GPS app like the one you’re about to make, has over 40 million users! This tutorial will show you how to make an app like Runkeeper.
(approx. 4-foot/1.2-m diameter) drogue chute, and this drogue is out during the entire free fall. 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 ...
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...
The fuel load is 800 to 1,000 pounds (about 450 kg) of fuel at launch, or approximately 150 gallons (600 liters). The missile has a cruising speed of 550 mph (880 kph). Guidance Tomahawk cruise missile escorted by F-14 Photo courtesy U.S. Navy The hallmark of a cruise missile...
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...