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a truck A moving with a velocity of 30m/s collides with a
stationary trolley B of mass 0.5tonnes after collision the
two bodies were automatically connected.find their common
velocities after collision if the mass of truck is 1.2tonne.
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Answer Posted / kondaiah
mt=1.2-o.5=0.7tonne
mtr=0.5tonne
vt=30m/s
vtr=0m/s
common velocity=(mt*vt+mtr*vtr)/(mt+mtr)
=0.7*30+o.5*0/1.2
=210/12
=17.5m/s
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