Convert a speed of 72 km-h into m-s-

Step 1: Given dataGiven Speed = 72 km/hStep 2: Formula usedTo convert km/hinto m/s , it needs to be multiplied with 1000/3600 or 5/18 or 0.2777.Step 3: Calcula ...

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Standard VIII

Physics

Motion

Convert a spe...

Question

Convert a speed of $72 \frac{k m}{h}$ into $\frac{m}{s} .$

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Solution

Step 1: Given data
Given
Speed = $72 \frac{k m}{h}$
Step 2: Formula used
To convert $\frac{k m}{h}$ into $\frac{m}{s}$ , it needs to be multiplied with $\frac{1000}{3600} o r \frac{5}{18} o r 0.2777 .$
Step 3: Calculation
Speed = $72 \frac{k m}{h}$ .
Speed = $72 \times \frac{5}{18} = 20 \frac{m}{s} .$
Hence, speed in $\frac{m}{s} = 20 \frac{m}{s} .$

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Convert a speed of 72kmh into ms.

Step 1: Given dataGiven Speed = 72kmhStep 2: Formula usedTo convert kmhinto ms , it needs to be multiplied with 10003600or518or0.2777.Step 3: CalculationSpeed = 72kmh.Speed = 72×518=20ms.Hence, speed in ms=20ms.

Convert a speed of $72 \frac{k m}{h}$ into $\frac{m}{s} .$