Not a huge problem, accel:
01 Jan '22 03:323 editsSo we have a SUPER dragster, the former record was some 3.8 seconds in the quarter mile race.
Now it is ONE second for the quarter mile.
So, given one second for the whole trip, constant acceleration, no need for calculus😉
So how fast is the dragster going at the end, the machine has several miles to stop so it goes balls to the wall.
And how many G's of that constant accel does it take to make that trip in one second?
The dragster starts from zero velocity, not moving.
I know you have to have a gradient of accel but we ignore that pesky fact and start with the G force that is X from the time of the green light to 1320 feet starting at zero velocity, just to keep things simple🙂
Use feet, miles, mm, cm, meters, whatever you want🙂
One thing I noticed, google gives accel on Earth as 9.807 m/s^2
So I took the number of inches per meter at 39.37 and multiply to give
32.1751325 F/S^2, not the 32 I see in most HS books.
A whole 1.00547 and change more, not a huge deal🙂
Now it is ONE second for the quarter mile.
So, given one second for the whole trip, constant acceleration, no need for calculus😉
So how fast is the dragster going at the end, the machine has several miles to stop so it goes balls to the wall.
And how many G's of that constant accel does it take to make that trip in one second?
The dragster starts from zero velocity, not moving.
I know you have to have a gradient of accel but we ignore that pesky fact and start with the G force that is X from the time of the green light to 1320 feet starting at zero velocity, just to keep things simple🙂
Use feet, miles, mm, cm, meters, whatever you want🙂
One thing I noticed, google gives accel on Earth as 9.807 m/s^2
So I took the number of inches per meter at 39.37 and multiply to give
32.1751325 F/S^2, not the 32 I see in most HS books.
A whole 1.00547 and change more, not a huge deal🙂
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