sophiebeardsley94
25.02.2021 •
Mathematics
A cyclist travels at an average speed of 20 km/h over a distance of 40 km. How many hours does it take him?
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Ответ:
Given that speed(v) = 20km/h and time(t) = 50 min
We have to find distance (d)
First convert speed into m/s
v = (20*1000m)/(1*3600s)
v = (50/9) m/s
Now convert time into second
t = 50*60 = 3000 sec
As we know that
d = v*t = (50/9)*3000 = 50000/3
d = 16666.67m or 16.67km
Ans: 16666.67m or 16.67km
Step-by-step explanation:
Ответ:
16.67gm
Ответ:
25/4
Step-by-step explanation:
3/8+6/8+12/8+13/8+16/8