Question

a horse trots away from its trainer in a straight line .moving 38 m away in 9.0 s . It then turns abruptly and gallops halfway back in 1.8 s . Calculate its average speed and average velocity?

Answer 1

The average velocity of the horse is 5.28 m/s.

Velocity

The velocity is the rate of change of displacement with time.

Average velocity

The average velocity of an object is the ratio of total distance to total time of motion.

$v = \frac{38 + \ 0.5(38)}{9 + 1.8} \\\\v = \frac{57 }{10.8} \\\\v = 5.28 \ m/s$

Thus, the average velocity of the horse is 5.28 m/s.

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