A car covers 360 km at a uniform speed in 8 hours. Find its speed in metres per second.
12.5 m/s
Speed: \(\dfrac{360}{8} = 45\) km/h.
Converting to m/s: \(45\times\dfrac{5}{18} = 12.5\) m/s.
Hence, the car's speed is 12.5 m/s.
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Important Questions from Speed Time and Distance
A train travelling at a speed of 72 km/hr crosses a post in 20 seconds. If it crosses another train travelling at a speed of 54 km/hr in the same direction in 1 minute 45 seconds, then the difference in length between the two trains is
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