The distance of your school is 5km from your home and it take 1hour to reach school, then find the average velocity.
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Explanation:
Let distance between school and home=xkm.
Time taken to reach school at 4
hr
km
=
4
x
hrs.
Time taken to reach school at 5
hr
km
=
5
x
hrs.
4
x
−
60
15
=
5
x
4
x
−
5
x
=
60
15
20
5x−4x
=
4
1
5x−4x=
4
20
x=5
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