How large a force is required to accelerate a 1300 kg car from rest to a speed of 20 m/s in a distance of 80 m?
A) 6.74 KN
B) 3.25 KN
C) 32.5 KN
D) 67.4 KN

Dear Student,

v2-u2=2as202-0=2a×80400=160aa=400160=2.5 m/s2F=maF=1300×2.5F=3250 N=3.25 kN

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