Question

if a person travels at speed of5m/sec how many kilometres can he travels in half an hour​

Answer 1

Answer:

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Explanation:

Correct option is

C

v

1

+v

2

2v

1

v

2

Avg. speed=

total time taken

Total distance traveled

⟹

v

1

2

L

+

v

2

2

L

L

=

2v

1

L

+

2v

2

L

L

=

v

1

+v

2

2v

1

v

2