I need answer for 8th question
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ur answer is i think soo ........ 3rd ms-1
darsanpink1:
Read the answer properly
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car has covered distance 5km in 20min.
1) in km/min
s=d/t
:. s=5/20
=1/4 km/min
2) in m/min
1km=1000m
:.5km=5000m
:.s=5000/20
=250m/min
3)in m/s
1m=60s
then 20min= 1200s
:. s=5000/1200
=8.66m/sec
4) in km/hr
1hr = 60min
then 20min=0.9hrs
:.s=5/0.9
=5.55km/hr
1) in km/min
s=d/t
:. s=5/20
=1/4 km/min
2) in m/min
1km=1000m
:.5km=5000m
:.s=5000/20
=250m/min
3)in m/s
1m=60s
then 20min= 1200s
:. s=5000/1200
=8.66m/sec
4) in km/hr
1hr = 60min
then 20min=0.9hrs
:.s=5/0.9
=5.55km/hr
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