A drag racer tries to obtain maximum acceleration over a quarter mile course. The fastest time on record for the quarter mile (starting from rest) is 4.801 seconds. Assume constant acceleration. Note: 1mi = 1.609 km 1 Find the value of the maximum acceleration expressed in standard Sl units Solution: CONSTANT ACCELERATION MODEL TECHNIQUE: FITT and 5 Formula Fill in the table below (FITT) using standard SI units. Place a value if the variabke is given, place a QUESION Mark IF IT IS THE QUANTITY THE PROBLEM IS ASKING FOR OTHERWISE WRITE BLANK az Vfe Voa AX At UNITS VALUE Determine which of the five formulas has the "3" given quantities and the QUANTITY THE PROBLEM IS ASKING FOR Ve. - Vo

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A drag racer tries to obtain maximum acceleration over a quarter mile
course. The fastest time on record for the quarter mile (starting from
rest) is 4.801 seconds. Assume constant acceleration.
Note: 1mi = 1.609 km
1 Find the value of the maximum acceleration expressed in standard SI units
Solution: CONSTANT ACCELERATION MODEL
TECHNIQUE: FITT and 5 Formula
Fill in the table below (FITT) using standard Sl units. Place a value if
the variabke is given, place a QUESION Mark IF IT IS THE QUANTITY
THE PROBLEM IS ASKING FOR OTHERWISE WRITE BLANK
Von
AX
Δ
UNITS
VALUE
Determine which of the five formulas has the "3" given quantities and
the QUANTITY THE PROBLEM IS ASKING FOR
VEx- Vox
Vfx+ Vox
Transcribed Image Text:A drag racer tries to obtain maximum acceleration over a quarter mile course. The fastest time on record for the quarter mile (starting from rest) is 4.801 seconds. Assume constant acceleration. Note: 1mi = 1.609 km 1 Find the value of the maximum acceleration expressed in standard SI units Solution: CONSTANT ACCELERATION MODEL TECHNIQUE: FITT and 5 Formula Fill in the table below (FITT) using standard Sl units. Place a value if the variabke is given, place a QUESION Mark IF IT IS THE QUANTITY THE PROBLEM IS ASKING FOR OTHERWISE WRITE BLANK Von AX Δ UNITS VALUE Determine which of the five formulas has the "3" given quantities and the QUANTITY THE PROBLEM IS ASKING FOR VEx- Vox Vfx+ Vox
Determine which of the five formulas has the "3" given quantities and
the QUANTITY THE PROBLEM IS ASKING FOR
VEx-Vox
Vfx+ Vox
Vox
1) ax=
2) Vavg =
Ax = Vava At
%3D
%3D
At
3)
1
Ax =
2.
, ay A + Vox At
5) Vx = Vox
2
+ 2·ay Ax
%3D
4)
Which formula will you chose? (1,2,3,4,5)
Solve the formula algebracally for the quantity you are looking for
(e.g. Vfx = sq.root(Vox^2+2*ax*Dx)
Plug in the numbers to get the answer written in scientific notation, correct
significant figures and stand Sl units
answer
units
2.
Transcribed Image Text:Determine which of the five formulas has the "3" given quantities and the QUANTITY THE PROBLEM IS ASKING FOR VEx-Vox Vfx+ Vox Vox 1) ax= 2) Vavg = Ax = Vava At %3D %3D At 3) 1 Ax = 2. , ay A + Vox At 5) Vx = Vox 2 + 2·ay Ax %3D 4) Which formula will you chose? (1,2,3,4,5) Solve the formula algebracally for the quantity you are looking for (e.g. Vfx = sq.root(Vox^2+2*ax*Dx) Plug in the numbers to get the answer written in scientific notation, correct significant figures and stand Sl units answer units 2.
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