What is the value of 1800 km/hr in m/sec?
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → 500
1 km = 1000 m and 1 hr = 3600 sec, so 1 km/hr \(=\frac{1000}{3600}=\frac{5}{18}\) m/sec.
\(\displaystyle 1800\times\frac{5}{18}=100\times5=500\) m/sec