Asked by Malcom
A sledthat has a mass of 8.8kg moves horizontally at 20 km/h. When it passes under a bridge 13kg of snow drops ontothe sled. What is its subsequent speed?
Isn't this in inellastic collision equation. I used (m1v1)+(m2v2)=(m1+m2)(vf)
m1=8.8kg
v1=20km/h
m2=21.8kg
v2=20km/h
I got 20km/s where did i go wrong?
Isn't this in inellastic collision equation. I used (m1v1)+(m2v2)=(m1+m2)(vf)
m1=8.8kg
v1=20km/h
m2=21.8kg
v2=20km/h
I got 20km/s where did i go wrong?
Answers
Answered by
bobpursley
V2 is zero. The snow was not moving horizontally when if fell.
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