Question

Speed of a moving car is 72 km/h calculate its speed in k/sec

Answer 1

Step-by-step explanation:

72 kilometers per hour = 0.02 kilometer per second

Formula: multiply the value in kilometers per hour by the conversion factor '0.00027777777777778'.

So, 72 kilometers per hour = 72 × 0.00027777777777778 = 0.02 kilometer per second.

Answer 2

Answer:

Step-by-step explanation:

1km = 1000m

1 hr= 60mins = 60×60 secs

$Speed = 72km/h\\ = \frac{72000}{3600}m/s$

$=20m/s$