Question

express the following speed in kilometre per hour . (a)20m/sec (b) 240m/sec (c) 600m/min (d) 400m/min​

Answer 1

Answer:

for option a) 20x5/18=50/9km/h

b) 240x5/18=200/3km/h

c) 600x1000/60=10000km/h

d) 400x1000/60=6666.6km /h

Answer 2

Answer: a) 72km/hr

              b)864km/hr

              c)360km/hr

              d)240km/hr

Step-by-step explanation: a)20/1000*3600=72

b)240/1000*3600=864

c)600/100*60=360

d)400/100*60=240