Call 1800-123-2003
"Smartindia is the best online tool for school students." Ms Deepa Chandran, Principal Anchal
"Smartindia is one of the best supplementary education tool for school students." Ms Pooja, Principal
A car moves at a constant speed of 60 km/hr for 1km and at 40km/hr for next 1km.What is the average speed and average velocity? |
S1=60km/hr,S2=40 km/hr Average speed=S1+S2/2 =100/2=50km/hr Average velocity=2S1S2/S1+S2 =48km/hr |