Question

Express the following speed in m/s a. 72 km/h * r b. 45 km/h * r​

Answer 1

Step-by-step explanation:

1 km = 1000 m

1 m = 11000 km

1 minute = 160 hour

1 minute = 60 seconds

1 second = 160 minute

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Answer 2

SOLUTION:

72 KM =( 72 * 1000 )/ 60 * 60

= 72,000 / 3600

= 20m/s

45 KM = (45 * 1000) /60 * 60

= 45,000 / 3600

= 12.5m/s

HOPES, IT'S CORRECT AND USEFUL TO YOU BRO. ^_^