3 story building!
In a 15 mph crash without a seatbelt, the crash test dummy would experience the full force of the impact which could result in injuries such as head trauma, whiplash, or broken bones. Without the seatbelt to restrain the dummy's movement, it may also be thrown forward or out of the vehicle, increasing the risk of serious harm or death.
Yes, all things being equal, crash severity does increase proportional to the speed of each vehicle at impact, and is a vector sum. So, there is a big difference between crash severity at impact from being "rear-ended" (when one vehicle is traveling the same direction as another, and impacts the front of their vehicle with the rear of another) and a "head-on" impact (two cars traveling into one another, impacting both front bumpers). In the rear-end impact, you take the momentum (mass times velocity) of the rear, impacting vehicle "A" and subtract the momentum of the front-most impacted vehicle "B", and that gives you the resultant impact force (the difference in momentum being transferred). weak impact scenario example: vehicle A is traveling 60 mph, and vehicle B is the same mass and is traveling 50 mph. The difference in momentum would be the mass times 10 mph...not much. severe impact scenario: vehicle A is traveling 70 mph, and vehicle B is at rest (0 mph)...large impact. In the head-on impact, you have the most severe crash scenario. In this case, you ADD the momentum of vehicle A with the momentum of vehicle B, and you get the resultant force of impact. Even if both vehicles are traveling 30 mph, with the same mass, and have a heaad-on collision, the is close to the same as one vehicle traveling 10 mph and hitting the other vehicle going 70 mph...severe impact.
6 km/h is equivalent to approximately 3.73 mph.
1 mph = 0.868976242 knots70 times .869 = 60.83, so just over 60mph
About 5.2 knots.
no
true
Pretty close.
well if you were dropped off a 4story building you would probly die but a car crash is kinda different so i guess you would die in a car crash if you were a little kid but if you arent then i don't think you will
Sort of. Imagine: You are sitting in your car, a crane lifts it up by the back bumper so that the front bumper is Fourty feet off the ground. When the crane dropps you it will hit at the same speed as a 50 mph crash. Go up four floors and look down to get an idea of why the comparison is used.
Yes, its true. I had driver's ed, and my teacher explained to us the mechanics.
To estimate the force released in a crash, we can use the principle of kinetic energy. A 3,000-pound car traveling at 70 mph has a kinetic energy of approximately 1,500,000 foot-pounds. However, force during a crash depends on the duration of the impact. While it's complex to convert kinetic energy directly to force without knowing the specifics of the collision, roughly estimating, the force could be in the range of several million pounds depending on the crash dynamics and deceleration time.
In a 15 mph crash without a seatbelt, the crash test dummy would experience the full force of the impact which could result in injuries such as head trauma, whiplash, or broken bones. Without the seatbelt to restrain the dummy's movement, it may also be thrown forward or out of the vehicle, increasing the risk of serious harm or death.
173.8 mph
no
It blood hurts!!
The impact speed for each car is 50 mph. During the crash, both cars are accelerated from a speed of 50 mph to zero, hence the impact speed is 50 mph. The relative speed between each car, however, is 100 mph.