Question

An automobile travelling with a speed of 54 km/h, can brake to stop within a distance of 30 m. If car is going twice as fast i.e., 108 km/h , the stopping distance will be

Answer 1

=54000×30=108000×x

=x=54000×30÷108000

=x=30÷6

=x=5÷1

=x=5