Question

2
Q2 Ravi
Swims in a 100 metre pool and
200 metres in 50 seconds by swimming
back and forth. Find the average
Speed and velocity of Ravi.
covers
​

Answer 1

Explanation:

Given that,

Velocity v=20m/s

Total distance D=100m

Now, time when travelling 60 m

t

1

=

20

60

t

1

=3s

Now, time when travelling 40 m

t

2

=

10

40

t

2

=4s

Now, the average velocity

v

avg

=

T

D

v

avg

=

7

100

v

avg

=14.29m/s

Hence, the average velocity is 14.29 m/s

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