a. What constant acceleration, in SI units, must a car have to go from from zero to 60 mph in 10 s? b. What fraction of g is this? c. How far has the car traveled when it reaches 60 mph? Give your answer both in SI units and in feet.

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sukljama2 · Accepted Answer

vi=0 vf=60(mih)(1609 m1 mi)(1 h3600 s)=26.8 ms t=10 s All of above are given vf=vi+at Then a=vf−vit=26.8−010=2.68 ms2 ag=2.689.81=0.27 Then a=0.27 g xf=xi+vit+12at2 xf=0+0+12×2.68×102=134 m xf in feet xf=(134 m)(100 cm1 m)(1 ft30.48 cm)=439.6 ft Result: a=2.68 ms2 a=0.27 g xf=134 m xf=439.6 ft

temzej9 · Accepted Answer

60∓h=603000=160 miless=528060=88 fs2 a) Acceleration =8810=8.8 fs2 1 foot =0.3048 m Acceleration =8.8×0.3048=2.68 ms2 b) g=9.81 ms2 ag=2.689.81=0.27 c) The distance traveled by the car d=12at2=12×2.68×102=134 m=134⋅3.28=439.52

karton · Accepted Answer

Thanks for the help

a. What constant acceleration, in SI units, must a car have to go from

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