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Even when equipped with the safest cars on the road, these casualties occurred at much lower speeds than in head-on collisions, with passenger fatality and serious injury typically occurring at 50 km/h (~31 mph) in side impact collisions, as opposed to 70 km/h (~43 mph) for frontal impacts. [2]
Onboard video of Space Shuttle Solid Rocket Boosters rapidly decelerating to terminal velocity on entry to the thicker atmosphere, from 2,900 miles per hour (Mach 3.8) at 5:15 in the video, to 220 mph at 6:45 when the parachutes are deployed 90 seconds later—NASA video and sound, @ io9.com.
32–38 mph 50–61 km/h 13.9–17.1 m/s 13–19 ft 4–5.5 m Sea heaps up and white foam from breaking waves begins to be blown in streaks along the direction of the wind; spindrift begins to be seen Whole trees in motion; inconvenience felt when walking against the wind 8 Gale, fresh gale 34–40 knots 39–46 mph 62–74 km/h 17.2–20.7 m/s
The vehicle is armed with a 165mm M135 short-barreled demolition gun with 30 rounds of HEP (high explosive, plastic) ammunition. The M135 is a license-built copy of the 165 mm L9A1 gun that was used on the British Army 's FV4003 Centurion Mk.5 AVRE ( Armoured Vehicle Royal Engineers ) tank.
The "assist" is provided by the motion (orbital angular momentum) of the gravitating body as it pulls on the spacecraft. [6] The technique was first proposed as a mid-course maneuver in 1961, and used by interplanetary probes from Mariner 10 onwards, including the two Voyager probes' notable fly-bys of Jupiter and Saturn.
“Even if it’s a good dive, the impact you have from 27 meters is like a car crash going 85 kilometers per hour (50 mph)," said Cooper, who's preparing for the high-diving competition this week ...
For higher speeds up to about 100 km/h outside built-up areas, a similarly defined 2-second rule applies, which for 100 km/h translates to about 50 m. For speeds on the order of 100 km/h there is also the more or less equivalent rule that the stopping distance be the speed divided by 2 k/h, referred to as halber tacho ( half the speedometer ...
25 mph (40 km/h) (on road) 22 mph (35 km/h) (off-road) The Heavy Tank T30 (Informal designated The Tiger Killer ) was a World War II American tank project developed to counter new German tanks, such as Tiger I , Tiger II , and tank destroyers, such as the Jagdtiger , or Soviet heavy tanks, such as IS-2 or IS-3 .