Question

plz answer this questin please please

Answer 1

to convert into m/s we have to multiple the km/hr by 5/18

1. ans..
72×5/18= 4×5= 20m/s
2.ans
30×18/5=6×18=108km/hr
3.ans
we know speed=distance/time=800/8=100m/sec...
now in km/hr=100×18/5=20×18=360km/hr

Hope this helps uhh...

Answer 2

1. 72 /3.6 = 20m/s

2. 30 × 3.6 = 108km/hr

3. 800 /8= 100m/min.
= 100/ 16.667 = 6km/hr

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