1.

A car starts from rest and moves along x axis with constant acceleration 5m/s^2 for 8 seconds. if it continues with constant velocity, what distance will the car cover in 12 seconds since it started from rest?

Answer»

S=0.5at^2+vt       v=at    v=5*8=40m/s
s=0.5*5*64+40*4
s=320m



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