Question

A scoolerest cover a distance of 3km in 5/min calculate the speed in . A. Centimeter per second (cm/s) B. Meter per second (m/s) .
C. Kilometer per hour (km/h).

Answer 1

Explanation:

hope u understand............

Answer 2

Given

Distance = 3km

time = 5minutes

1) SPEED = DISTANCE/TIME

3km = 300000cm. 5min = 300sec

speed = 300000cm/300sec = 1000cm/sec

2) 3km= 3000m. 5min = 300sec

speed = 3000m/300sec = 10m/sec

3) 3km= 3km. 5min = 5÷60 hrs = 1/12hrs

Now speed = 3/1/12 = 3×12 = 36km/HR

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