Answer :
Acceleration is defined as change in velocity divided by time duration.
70 kmph = 70 * 1000 meter / 3600 sec = 175/9 meter / sec
Acceleration = [ 175/9 - 0 ] m/sec / 7 sec
= 175 / (9 * 7) = 25/9 m/sec²
= 2.77 meters/ sec²
70 kmph = 70 * 1000 meter / 3600 sec = 175/9 meter / sec
Acceleration = [ 175/9 - 0 ] m/sec / 7 sec
= 175 / (9 * 7) = 25/9 m/sec²
= 2.77 meters/ sec²