Physics, asked by sudhirtomarbrt1080, 6 months ago

3. A bus travelling the first one-third distance at a
speed of 10 km/h, the next one-third at 20 km/h and at
last one-third at 60 km/h. The average speed of bus is
(a) 9 km/h
(b) 16 km/h
C) 18 km/h
(d) 48 km/h CESE PMT 911​

Answers

Answered by kaurmanjot7753
1

option (c) is correct answer

Totaldistance=xAss=vtt1=103x=30xt2=203x=60xt3=603x=180xAveragevelocity=totaltimetakenxtotaltimetaken=180x+3x+6x=18010xThusAveragevelocity=10xx×180=18km/h

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