Question

A race horse runs straight towards north and covers 54 km in 1 1 2 hour. Calculate (i) displacement of horse, (ii) its velocity in (a) m/s (b) km/h

Answer 1

Answer:

Displacement is 540m along north direction.

(a). time

V = ----------------

displacement

= 60

------

540

=9m/s

(b)v=9m/s

18

v = ----

5

=32.4km/h

Explanation:

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