Question

A body goes from point X to point Y with a speed
of 10 ms. It comes back to X with a velocity of
20 ms. The average speed of the body during the
journey is
(1) 15 ms HQ 12) 13.3 ms!
(3) Zero
(4) 30 ms1​

Answer 1

Answer:

ans. is 13.3m/s

Explanation:

average speed = 2xy/x+y

=2*10*20/10+20

=400/30=40/3

=33.3m/s

i hope it will be helpful for u

Answer 2

Answer:

15m/s

Explanation :

Speed from X to Y = 10 m/s

Speed from Y to X = 20 m/s

Average Speed =

$\frac{10 + 20}{2} = \frac{30}{2} = 15$

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