Question

Object travels 10km in 30mins,
Find it's speed in km per hour and meter per second

Answer 1

Answer:

$speed = 20 \: km \: {hr}^{ - 1}$

Kindly refer to the Attachment

Explanation:

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Answer 2

Answer:

20km/hr and 5.55m/s

Explanation:

Speed in km/hr --

d=10km

t=30min

=30/60min

=1/2 hour

s=d/t

s=10÷(1/2)

s=10×2

s=20km/hr

Speed in m/s --

d=10000m

t=30min

=1min=60s

=30min= 1800s

s=d/t

s=10000/1800

s=5.55m/s