A car travels 30 km at a uniform speed of 40 km/hr and next 30 km at a uniform speed of 20 km/h. Find its average speed.
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Hey mate !!
Here's your answer !!
Refer to the attachment !!
Hope it helps !!
Cheers !!
Here's your answer !!
Refer to the attachment !!
Hope it helps !!
Cheers !!
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Steph0303:
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In the first case
V=40km/h
S=30km
T=s/t=30/40=3/4h
In the second case
V=20km/h
S=30km
T=s/t=3/2h
Average speed =total distance /total time=30+30km/3/2+3/4h
Calculate it and you will get the answer!!
V=40km/h
S=30km
T=s/t=30/40=3/4h
In the second case
V=20km/h
S=30km
T=s/t=3/2h
Average speed =total distance /total time=30+30km/3/2+3/4h
Calculate it and you will get the answer!!
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