A Cyclist covers a distance of 3 km in 5 minutes. Calculate his speed in : a)cm/s b ) m/s c) km/hr.
Answers
Answer:
(a) 300 seconds
(b) 10m/s
(c) 36 km/h
:
(a) Distance= 3km
= 3×1000×100 cm
Time taken = 5 minutes
5×60 sec. = 300 sec.
(b) distance = 3 km = 3× 1000 m = 3000m
Time = 300 seconds.
v = s/t (formula)
3000 m / 300 sec. = 10 m/s
(c) distance = 3 km
Time = 5 min. = 5/60 hrs.
v = s/t (formula)
3 km / 5/60 hrs. = 36 km/h
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Answer:
(a) 300 seconds
(b) 10m/s
(c) 36 km/h
:
(a) Distance= 3km
= 3×1000×100 cm
Time taken = 5 minutes
5×60 sec. = 300 sec.
(b) distance = 3 km = 3× 1000 m = 3000m
Time = 300 seconds.
v = s/t (formula)
3000 m / 300 sec. = 10 m/s
(c) distance = 3 km
Time = 5 min. = 5/60 hrs.
v = s/t (formula)
3 km / 5/60 hrs. = 36 km/h