Question

Two masses,m and 2m, apptoach each along a path at right angles to each other. After collision, the stick together and move off at 2m/s at angle 37degree to the original direction of the mass m. What where the initial speeds of the particles?

Answer 1

Explanation:

Momentum is conserved in both the x and in the y directions.

Consider this to be two ‘independent’ problems. Draw the diagram, assign the x and y directions to the original paths. Break the final momentum down into its x and y components. Work each of the two problems.

Answer 2

Answer:

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