skywil8981
26.05.2020 •
Mathematics
Hi!
Got a question!
Sound travels 7200 km/hhr. What's the speed in m/s?
A.2000 m/s
B.20 m/s
C.200m/s
Thanks!!
And please explain!
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Ответ:
A
2000 m/s
Step-by-step explanation:
When you multiply a km/h with
, it converts to m/s.
So,
Hope this helps...
Please mark as Brainliest!!
Ответ:
A
Step-by-step explanation:
Units of Lenght :
KmHmDammdmcmmm ÷10 for each step ↑ x10 for each step ↓7200 km = 7200.1000 m
1 h = 60 minutes
every minute has 60 s.
1 h = 60 x 60 s
2.1000 = 2000
Hope this helps ^-^
Ответ:
C :D
Step-by-step explanation: