A girl rides a bicycle with a speed of 10km /hr for 2hr and 15 km / hr for 3 hr Find the distance moved by her and her average speed
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3
She traveled 2hr for 10km/hr she covers
distance=speed × time
=10×2=20km
and 3hr for 15 km/hr=15×3=45km
She covers total distance =20+45=65km
And her average speed is total distance/total time
(65)/5=13 Km/hr.
distance=speed × time
=10×2=20km
and 3hr for 15 km/hr=15×3=45km
She covers total distance =20+45=65km
And her average speed is total distance/total time
(65)/5=13 Km/hr.
Answered by
0
Distance 1= 20 km
Distance 2= 45 km
Average speed= 10.5 km/hr
Distance 2= 45 km
Average speed= 10.5 km/hr
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