puja takes 0.25 hour to go from her home to school and 10 minutes for her return journey.If the distance between her school and home is 4 km,calculate her average speed and average velocity
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Hey mate here is ur solution
For average speed
speed while going to school (v1)={4/0.25}=16kmph
while returning {v2}={4/(10/60)}=24kmph
avg speed=(24+16)/2=20kmph
& avg velocity=0
because she returns her initial point
thus change in position=0
For average speed
speed while going to school (v1)={4/0.25}=16kmph
while returning {v2}={4/(10/60)}=24kmph
avg speed=(24+16)/2=20kmph
& avg velocity=0
because she returns her initial point
thus change in position=0
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