Question

distance of 100 metre in 15 mintutes . find its average

Answer 1

100/900=1/9 or
0.11 m/s

Answer 2

Hey friend, Harish here.

Here is your answer:

We know that,

$Avr\ Speed = \frac{Distance}{time}$

Given that,

Distance = 100 m.

Time = 15mins = 15 × 60 = 900 sec

Then,

$Speed = \frac{100}{900} = \frac{1}{9} = 0 .11\ m/sec$

The average speed is 0.11 m/sec.
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Hope my answer is helpful to you.