A) \[\text{1}0\text{m}/{{\text{s}}^{\text{2}}}\]
B) \[\text{5m}/{{\text{s}}^{\text{2}}}\]
C) \[\text{2m}/{{\text{s}}^{\text{2}}}\]
D) \[\text{1m}/{{\text{s}}^{\text{2}}}\]
Correct Answer: D
Solution :
Given speed = 75 km/hr \[=75\times \frac{5}{18}m/s=20.8m/s\] \[v=u+at=0+at\] \[v=at\] \[a=\frac{20.8}{20}=1.04m/{{s}^{2}}\approx 1m/{{s}^{2}}\]
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