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11. How long does it take my mum to walk 5 metres if she is travelling at a speed of 1 km/h. (Hint to change metres to kilometres divide the metres by 1000)

Sagot :

First convert 1km/h to .28m/s then divide your 5m by .28m/s to get about 18seconds.

View attachment for detailed steps.
View image SpencerTS

Answer: The time taken by mother to walk is 0.005 hr

Explanation:

Speed is defined as the rate at which an object moves with respect to time.

To calculate the time taken for the given speed, we use the equation:

[tex]s=\frac{d}{t}[/tex]

where,

s = speed of the mother = 1 km/hr

d = distance traveled = 5 m = 0.005 km    (Conversion factor:  1 km = 1000 m)

t = time taken by mother = ?

Putting values in above equation, we get:

[tex]1km/hr=\frac{0.005km}{t}\\\\t=\frac{0.005km}{1km/hr}=0.005hr[/tex]

Hence, the time taken by mother to walk is 0.005 hr

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