ICSE Class 7 Answered
A scooters travels at 36km for 5bhours and at 45km for hours find average speed for the whole journey
Asked by Sonaljadhvar | 23 Nov, 2019, 04:44: PM
Expert Answer
Speed=distance/time
Case 1
S=36/5
S=7.2 km/hr
Case2
S=36/5
S=7.2 km/hr
Case2
S =45/4
S=11.25 km
average speed= (7.2+11.25)/2
=9.225 km/h
S=11.25 km
average speed= (7.2+11.25)/2
=9.225 km/h
Answered by Arun | 23 Nov, 2019, 08:58: PM
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