a car starts from west and aquires a velocity of 54 km per hour in 2 minutes . 1 find the acceleration and distance travelled by the car during this time
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u= 0
v= 54km/h= 15m/s
time = 2mins= 120sec
1)acceleration= v-u/t
=> 15-0/120
=> 15/120
=> 0.125m/s²
2) using third equation of motion
=> 2as=v²-u²
=> 2(0.125×s)=(15)²-(0)²
=> 0.25×s=225
=> s = 225/0.25
=> s = 900m
v= 54km/h= 15m/s
time = 2mins= 120sec
1)acceleration= v-u/t
=> 15-0/120
=> 15/120
=> 0.125m/s²
2) using third equation of motion
=> 2as=v²-u²
=> 2(0.125×s)=(15)²-(0)²
=> 0.25×s=225
=> s = 225/0.25
=> s = 900m
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