A particle covers one fourth of distance with speed v, one third
remaining distance with speed 2V and finally with speed 3V.find avg velocity.
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Answer:
(24v/13)
Explanation:
speed = dist/time
time = dist/speed
t1 = d/4v
t2=1/3(d3/4)/2v = d/8v
t3= 2/3(d3/4)/3v = d/6v
t = t1+t2+t3
t= d/4v+s/8v+d/6v
t = d/v( 1/4+1/8+1/6)
t = d/v (13/24)
now
avg velocity = total distance/ total time
avg velocity = d/(d/v (13/24))
avg velocity = (24v/13)
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