Question

a girl leaves her school at 3:00,and starts walking her house is 2km away from school and she reached her house at 3:30 what is the average speed​

Answer 1

Answer:

1.112m/s²

Explanation:

let assume that the school is at A and her home is at B

A----------2km-------------B

now average speed is the avg distance upon time

here the distance is 2km=2000m

and time is 30 mins= 1800sec

so speed= 2000/1800

therefore we get 20/18 m/s² =1.112 m/s²

Answer 2

Explanation:

s=d/t

2km =2000m

30 min =1800 secs

$\frac{2000}{1800}$

$\frac{10}{9}$

$1 \times \frac{1}{9}$

Hope it helps

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