speed of wagon after 10% of its mass is dropped
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A wagon is coasting at a speed Va along a straight and level road. When ten percent of the wagon's mass is thrown off the wagon, parallel to the ground and in the forward direction, the wagon is brought to a halt. If the direction in which this mass is thrown is exactly reversed, but the speed of this mass relative to the wagon remains the same, the wagon accelerates to a new speed Vb. What is the ratio Vb/Va.
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The solution shows detailed calculations of the speeds of the wagon when 10% of its mass is thrown out using concept of conservation of momentum.
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A wagon is coasting at a speed Va along a straight and level road. When ten percent of the wagon's mass is thrown off the wagon, parallel to the ground and in the ...
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