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dragster times
An 875-kg (1934 lb) dragster, starting from rest, attains a speed of 27.5 m/s (61.6 mph) in 0.59 s.?
(a) Find the average acceleration of the dragster during this time interval.
(b) What is the magnitude of the average net force on the dragster during this time?
(c) Assume that the driver has a mass of 68 kg. What horizontal force does the seat exert on the driver?
thank you so much!
The question doesn't say what units it wants so I'm just gonna work it in metric
(a) starts from rest so v(i) = 0 m/s
v(f) = v(i) + at
27.5 = 0 + 0.59a
a = 46.6 m/s²
(b) The net force on the dragster is producing it's acceleration
so F = ma
I'm ignoring the mass of the driver for this but since the driver is sitting in it his mass should be included
F = 875 kg x 46.6 m/s² = 40775 N = 40800 N [to 3 sig figs]
(c) The driver is also accelerating at 46.6 m/s² so the seat exerts a force of 68 x 46.6 = 3168.8 N = 3200 N [To 2 sig figs]
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| Johnny Lightning Dragsters New Year 1998 Baby New Year Father Time Car New NM | | | US $19.99 | 29d 8h 35m |
| JOHNNY LIGHTNING DRAGSTERS FATHER TIME 1 of 15,000 | | | US $8.79 | 29d 5h 11m |
| ,RACE TIME RACING STOCK CARS MOTORCYCLES DRAGSTERS 15 FT WALL BORDER NEW | | | US $9.95 | 27d 11h 56m |
| "TV TOMMY" IVO Dragster 1:25 scale AMT/Ertl Model Kit - Hobby Time Model Shop | | | US $21.99 | 25d 13h 49m |
| RUPP Super Sno-Sport Dragster Snowmobile 1:20 scale kit - Hobby Time Model Shop | | | US $19.99 | 25d 8h 4m |
| Retro AMT Double Dragster Kit 1:25 scale Build 2 Cars * Hobby Time Model Shop * | | | US $27.99 | 23d 13h 8m |
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| JOHNNY LIGHTNING Dragster NEW YEAR 98 *Father Time* 1971 DODGE DEMON *Purple* | | | US $7.65 | 20d 13h 4m |
| HEMI Sphere Dragster Dewey, Beetem & Howe 1:25 AMT /Ertl Hobby Time Model Shop | | | US $19.99 | 20d 12h 25m |
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| 1:24 SCALE MATCO TOOLS 97/98/2000 3 3 TIME CHAMP TOP FUEL DRAGSTER GARY SCELZI | | | US $89.95 | 6d 3h 40m |
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The Valley Speed FED: fired for the first time
Tags: 1000 · attorney · baja · dragster times · frank · nye · top fuel dragster times1 Comment
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