A motor vechile travrls with a speed v1=10kmph v2=20 kmph and v3=60kmph what is the mean speed of the entire distance of the vechile travelled
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v1-10kmph
v2-20kmph
v3-60kmph
so, total speed-90kmph
total time-v1+V2+v3-3hrs
mean distance- total distance × total time taken
90 × 3- 270km
the distance is- 270km
ayushmaan97:
wlcm
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