
The speed of the car after

Answer to Problem 10P
Explanation of Solution
Given:
Mass of the railroad car
Initial total mass of the system of car and snow
Initial velocity of the railroad car before snow fills in it
Final velocity of the combination of railroad car and snow in it
Time for which snow falls
Rate at which snow falls in the car
Mass of snow in the car
Final total mass of the system of car and snow
Formula Used:
Momentum of an object is given as
According conservation of momentum principle, we have
Calculation:
Mass of the snow in the car can be given as
Using conservation of momentum
Conclusion:
Therefore, speed of car comes out to be
Chapter 7 Solutions
Physics: Principles with Applications
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