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Home Q & A Board Science-Related Homework Help Physics
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s.h_math s.h_math
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2 years ago
A 4,50x10^3 kg railway car is moving east at a velocity of 5.0 m/s on a level frictionless track when it collides with a stationary 6.50x10^3 kg caboose. If the two cars lock together upon impact, how fast are they moving after the collision.
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duddyduddy
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#1
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2 years ago
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- Master of Science in Biology
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s.h_math Author
wrote...
#2
2 years ago
I understand but is it possible if you could write the initial equation to what these numbers were plugged in?
wrote...
#3
Staff Member
2 years ago
Yes, sure.

The initial equation is momentum initial = momentum final. Remember that momentum is mass times velocity.

mass*velocity + mass*velocity = mass*velocity

Then, I applied the givens the formula above, like this:

4500(5.0) + 6500(0) = 11000(x)
- Master of Science in Biology
- Bachelor of Science
s.h_math Author
wrote...
#4
2 years ago
Thanks a lot sir
wrote...
#5
Staff Member
2 years ago
No worries

I'll mark this topic solved.
- Master of Science in Biology
- Bachelor of Science
wrote...
#6
2 years ago
THANKS
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