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A 20000 kg railroad car is rolling at 6 m per s when a 8000 kg load of gravel is suddenly dropped in What is the car's speed just after the gravel is loaded?
Wiki User
∙ 11y ago
v= (m*a)/Total mass
(20000*6)/(20000+8000)= 4.286
Wiki User
∙ 11y ago
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What holds down the rails on railroad track?
Railroad spikes are pounded into the railroad ties and the head of the spike catches the side of the rail. As well, the rail-tie combination is held in place by ballast, consisting of gravel, crushed stone or aggregate on a well packed road bed. .
What has more friction carpet or gravel?
gravel
Does gravel float or sink in water?
No, it does not.
What object would experience the most fluid friction?
a gravel road.
How much does a load of gravel weigh?
Depends on the size of the load. You'll have to be specific and tell exactly how much gravel there is.
A 10,000 kg railroad car is rolling at 8.00 m/s when a 6000 kg load of gravel is suddenly dropped in?
raboot
What is the name of the gravel under the railroad ties?
The gravel under and around the ties is called ballast.
How do you get flint in Minecraft?
You mine gravel, sometimes flint is dropped when you break a block of gravel.
How do you find flint in minecraft?
Flint is sometimes dropped when you mine gravel.
What is the definition of the Railroad?
Steel rails laid and pinned down on ties embedded in gravel so that trains may run on them.
What are bed loads in a stream?
the sand, gravel, boulders, or other debris transported by rolling or sliding along the bot-tom of a stream.
Why do some railroads have gravel under the rails and some don't?
The "gravel" under the railroad ties is called Ballast and forms the railbed itself. The reason that you dont see ballast under some railsets is because the railroad company has deferring the maintenance on the railbed and grass and vegaetation has grown in between the railroad ties and hides the ballast. A railroad company must spray vegetation killer to maintain the railbed properly. Some railroad companies,usually because of lack-of-money put off maintaining the railbed until the vegetaion has completely obscured the ballast.
What holds down the rails on railroad track?
Railroad spikes are pounded into the railroad ties and the head of the spike catches the side of the rail. As well, the rail-tie combination is held in place by ballast, consisting of gravel, crushed stone or aggregate on a well packed road bed. .
Why is there gravel between railroad tracks?
Known as ballast, it provides a stable surface for the ties, holds them in place and allows water to run off.
What kinds of things would you find in a train tunnel?
Stone wall supports that make the tunnel. Railroad tracks Gravel Mud or bare dirt darkness no walkways
Was Gandhi a tap dancer?
A Ghandi Dancer was the name given to a railroad laborer who "tamped" ties during installation of a railroad. To "tamp" ties, the worker used a special flat-nosed shovel and packed the ballast (often gravel) tightly under and around the railroad ties. His continuous up and down motion made him look like a dancer.
What are railroad tracks made of?
Since the 1870's railroad tracks have been built almost exactly the same. The tie is the wooden beam the keeps the rail (steel usually) off the ground, the rail is connected to the tie with two spikes on either side, and gravel as the base.
